Everything Memojin can do, explained
Memojin turns what you study — a PDF, some text, a video, an Anki deck — into courses you can review, then schedules your reviews over time so that you actually remember it all on the day.
Three building blocks explain everything:
Jin, the assistant, is with you everywhere: it explains, generates, diagnoses and helps you decide where your time goes.
In three steps:
Without a deadline Memojin still works: it keeps what you have learnt fresh so you don't forget it.
Seven words are enough:
The words “chapter” and “deck” are gone: everything is now courses and folders.
The shortest path:
None of this is irreversible: a course can be moved, renamed, or removed from a space without being lost.
Home is your daily starting point. Your session today fits there in one block:
Alongside: the next deadline, the tip of the day and your memory map; below, the day's activity feed.
The old “dashboard” has merged into this screen. It only remains for “I teach” mode.
On your first sign-in, Memojin first asks how you want to use it: I'm learning, to review your courses, or I teach, to support learners — a first visit to “I teach” opens a 14-day trial, no credit card needed. Then your first name, country, date of birth, stage of education, level and institution.
Together these make up your academic profile. They tune what the AI produces: the level of explanations, the difficulty of questions, Jin's tone.
Everything can be changed later from My profile, and the “I'm learning / I teach” choice locks nobody in.
The first time you open a screen, a short tour shows you the essentials, one step at a time. To see it again, click the ? button at the top of the screen, then Replay the tour (this choice only appears on screens that have one). The same button leads to the Help centre.
Secondary features carry a pulsing dot: click it to find out what they do. What you've already seen is saved to your account, so you won't see it again on another device.
The interface exists in French, English, German, Spanish, Italian, Brazilian Portuguese, Dutch, Polish and Romanian. You change language from the user menu → Language, or from My profile.
The interface language is independent of the language of your courses: you can revise a German course in an English interface. The language the AI generates your lessons and cards in is chosen when the course is created — and can be fixed afterwards from its Details, opened by the ⓘ button at the top of the page, next to the “…” menu: the language pill.
From the user menu, at the bottom of the sidebar: the Dark mode toggle. The choice is stored on your account and applies on mobile too.
There is no password to remember: you enter your email address and Memojin sends you a 6-digit code, valid for a few minutes. If no account exists for that address, one is created automatically.
On the mobile app you can also sign in with Google or Apple.
From My profile you can link a Google account to sign in faster afterwards.
Three ways:
If you write to us about a malfunction, say what you were doing and on which screen: it saves a round trip.
From the user menu → What's new. Every release is described with what was added, improved or fixed.
A badge appears in the header when there is an unread update.
On the Memojin ideas portal, opened from the user menu → Ideas and roadmap (or from Give feedback). It opens in a new tab, signed in with your Memojin account.
You automatically follow the requests you post, vote for or comment on: a notification tells you when their status changes, when the team replies and when they ship. You can turn these notifications off in Settings → Notifications → Collaboration.
For a question about your account or billing, use Give Feedback instead: that form stays private.
The portal brings together students and teachers who speak nine languages. Every request and every comment is therefore shown in your language: it is machine-translated as soon as it is posted, and again whenever its author edits it.
A label marks translated text; Show original shows the version its author wrote. Write in the language of your choice: everyone else will read you in theirs.
The streak counts your consecutive study days. A day counts as soon as you actually work on cards — not merely by opening the app.
It appears on Home, with your record. It has no influence on how your reviews are scheduled: it is a marker of regularity, not a grade.
If you skip a day the streak restarts from zero, and your record is kept.
At 6 pm, if your streak of 3 days or more is still waiting for today's session, a notification lets you know; if it ends, another tells you the next day.
Several ways in:
A course is Memojin's basic unit: a chapter, a lesson, a topic. Everything related to it lives in one place, across eight tabs:
A course may have only some of that. An empty course with just a title is perfectly valid: you fill it in later.
They have merged into the Library. It was three filing systems for one thing, each with its own rules.
A deck had no lesson and no summary; an old course refused standalone questions: those limits are gone. Every course can now carry everything, or almost nothing.
For filing. A folder holds courses and other folders, up to 5 levels deep.
A top-level folder carries an appearance — a colour, an icon or an image — so you recognise it at a glance. Subfolders don't: they inherit the parent's look.
A folder has no effect on memory: it neither speeds up nor slows down your reviews. It exists to help you find things, and to share in bulk — it is the folder you link to a space so that everything you drop into it tomorrow is added automatically.
In the list view, clicking a folder's row expands it in place: you see what's inside without leaving the page, and a second click collapses it. To go into a folder, switch to the grid view and click it. On a phone, tapping a folder opens it, in both views.
In the Library, the New button offers three routes:
A blank course asks for a title and a language, and is created in the folder you are in. From a source, the dialog moves in two steps: first the source itself (the text, the files, the link, the topic), then, after Next, what to generate and the folder to file it in — at the root or in an existing folder, which you can create without leaving the dialog. For AI, that second step, “Destination”, only asks for the folder.
PDF (the best-handled format), Word (.docx), PowerPoint (.pptx), plain text (.txt), and JPEG, PNG, WEBP or HEIC images — a photo of handwritten course notes works, including one taken on an iPhone.
A few rules:
After reading, Jin checks the page order: photos numbered by the camera (IMG_2114, IMG_2115…) are sorted in the order they were taken — unless you reordered them yourself, in which case your order is kept — and if the outline (I, II, III…) shows mixed-up pages, it puts them back in sequence and tells you. It also proofreads the text that was read: a misread word (“debits” for “debris”), an obvious typo or a broken formula is corrected. Above the lesson, “Jin fixed N reading errors · View” lists them, and each one can be undone in one click if it’s wrong.
Uploaded files stay available under My files, from the user menu.
No. If the tab closed or the connection dropped between the upload and the launch, your files did arrive but their processing never started.
A quarter of an hour later, the Library shows a banner naming them, with a “Resume” button: the file starts again, one course per file. Nothing was taken from your quota in the meantime — only page reading counts, and it never happened. A YouTube video, however, counts against your quota on resume just as on import: turning its transcript into a lesson, once only — if that has already been counted, it isn't counted again.
You'll also find them under My imported documents (user menu), marked “Never started”.
All its pages are kept to start with, but you can keep only some of them, page by page, with a preview. On the web, the “300 / 300 pages” badge on its tile opens that choice in place of the tiles; a multi-page PDF dropped on its own opens it straight away. Only the pages you keep are read and counted in the cost shown.
It is as much about time as about quota: processing a whole document can take several minutes and uses pages from your AI quota.
For a full set of lecture notes, the best result comes from separate courses — one per chapter: import the document once per chapter, keeping only its pages, or drop the chapters as separate files with One course per file.
Yes. When you import a PDF or photos, Memojin recognises the document's language. If it differs from your account's language, the Generation step offers two choices:
Translation uses AI quota, in proportion to the length of the document translated. The badge next to the choice shows in advance the share of your monthly AI quota it will take; the exact text is only counted once the document has been read.
Names written on figures (maps, labelled diagrams) stay as they are: only their caption is translated.
If your quota runs short when the translation starts, nothing is lost: the course is generated in the document's language.
New → From a source → Text. Give it a title, paste your text (the “Paste” button reads the clipboard), and Memojin turns it into a course.
This is the quickest route when you have already taken your notes elsewhere. By default the text becomes the lesson, from which you then generate the summary, cards and questions. You can also uncheck Write the lesson to get cards only — see “Can I create cards only, with no lesson?”.
Yes. New → From a source → YouTube, then paste the link. Memojin retrieves the video transcript and turns it into a structured lesson — unless you uncheck Write the lesson, in which case the transcript only serves to build the cards.
The original video stays available in the course's Sources tab, with a link to reopen it on YouTube.
If the video has no transcript available, the import fails: that is a YouTube limitation, not a Memojin one.
Yes. New → From a source → Anki, then drop your .apkg file. Memojin reads the deck, tells you how many cards it holds, and imports them into a new course.
The original .apkg file stays downloadable from the Sources tab.
Your Anki cards start a new life in Memojin: they enter the same memory as the others and are rescheduled by FSRS. Their Anki history does not follow — they start as new cards.
The course Overview counts the deck among its Sources (“Anki import · 281 cards”). If you haven't picked a language, Memojin recognises it from the text of the cards — generated questions and explanations then follow it; a deck that is too short or bilingual (vocabulary) stays without a language, to be chosen in the course Details. Finally, Jin sorts your cards by concept within two minutes of the import.
Yes. At the Generation step, untick Write the lesson: Memojin then writes no text at all and builds the cards straight from what you dropped in.
You get a course with no Lesson tab, but which keeps its source (the PDF, the pasted text, the video) and its cards. That is what the old decks used to do.
Two consequences:
At least one item must be ticked — the lesson, memo cards or questions: otherwise the course created would be empty.
New → From a source → AI. Describe the topic (“the French Revolution, causes and consequences”), add details if useful, and say how many courses you want.
Memojin creates a folder and generates the requested courses in it. At the “What do you want to get?” step, the lesson is always included; tick the summary, memo cards and questions, and Jin prepares them right away for each course. The estimated cost shows before you launch.
Generation draws on your academic profile: explanations match your level. Everything stays editable — generated lessons are lessons like any other.
The ⓘ button at the top of the page, next to the “…” menu, opens the course Details from any tab. They read as pills: the folder that holds the course (one click takes you there), its language (fixable in one click), the associated voice (one click takes you to the Memo cards tab, where it is set) and the date of the last edit (the creation date while a job is running on the course).
An empty tab explains what it expects and offers to fill it.
A course's cards are shown in three tabs: Memo cards, Questions and Concept map. In Memo cards and Questions, there is a single row under the tabs: grid or list, search, Filters, then Test myself here and the + button, which gathers the ways to add — Generate cards with Jin first, then Create a card manually, Import from a course and Import from Anki (in the Questions tab: Generate questions and Create question). Generate audio is added when some cards don't have their audio yet.
One click on Filters opens the filters (Concepts, Reorder, the order, tags; Type, Result and Source for questions), another closes them. The badge counts the active filters, and the filters stay open when one of them is already narrowing the list.
Test myself here runs a quick test on what is shown, without leaving the page: it doesn't count anywhere. To track your memory over time, practise in a space with Practise. A card or a question can also be tested on its own from its ⋯ menu (Test myself on this card), and a selection from the bar that appears when you tick cards.
The chosen layout (grid or list, for each type), the sort order and the Type, Result and Source filters are saved to your account: you find them on all your courses, and the app uses the same question filters. Search and concepts only apply to the open course.
While Jin creates cards or questions, the list says so at the top (“Jin is creating the cards…”) with a progress bar: you can leave the screen, the creation carries on.
It is the tab a course opens on: the course at a glance.
The course Details fold away behind the ⓘ button at the top of the page, next to the “…” menu, and read as pills: folder, language (chosen at creation, it guides every generation: summary, cards, questions, podcast — fix it there in one click), associated voice, last edit (the creation date while a job is running on the course).
A course that is still empty shows “Where to start”: a source or a lesson first, the rest is generated from it.
Open the Lesson tab and click Edit. The editor accepts rich text, headings, lists, tables, images and mathematical formulas. Three paths lead to the same blocks: the toolbar, the / key at the start of a line (type “/heading” or “/table”, for instance), and the + that appears in the margin when you hover a line — it acts on that very line.
Saving is automatic: above the editor, a marker reads “Saved” or “Saving…”. Click Done to go back to reading.
While reading, the Linked cards switch — shown as soon as a card has been created from a passage — tints those passages in purple; tap one to see its cards.
To the left of the text (or behind the Outline button on a small screen), the outline lists the lesson's headings: click one to jump to it, and the heading you are reading is highlighted. Each subheading is indented under its part; when a document is imported, that level is read from the numbering prefixes (I., then A., then 1.), and a heading without a prefix sits under the last numbered heading. The owner edits it with the pencil: rename a part, move it (its text follows), remove a heading (the text stays, attached to the part before) or add a part. Nothing changes until Save, which goes through autosave. A lesson without headings says so: “No headings yet”.
On a course shared by someone else the lesson is read-only: only its author can change it.
It is read-only too for the length of a job — reading the pages, writing, the summary, the cards, the questions, the concepts: the Edit button turns off, and an editor already open goes read-only without closing, so that you do not rewrite the same text while the AI is rewriting it. A banner under the tabs names the job that is running; everything comes back as soon as it is done.
In the Lesson tab, click (or tap) the figure, then choose Make it legible. The AI redraws it cleanly: turned upright and flat, labels copied in crisp type, colours as solid fills. The chip to the right of the action shows how much of your monthly AI quota it costs — it is one of the most expensive actions — and the redraw takes about fifteen seconds.
When you import a course, it's automatic as soon as you ask for questions: maps and diagrams on which at least five names were read are made legible, then turned into questions, without you having to do anything — six figures at most per imported course, within your AI quota. A figure that is already clear — a digital illustration, upright and flat — is not redrawn: it is kept as it is, and no redraw is counted against you. For the other figures, the manual action is still available.
The redrawn figure takes its place in the lesson, but the original is never lost: See the original, below the figure, brings it back in one click. Check it: the AI can get a colour or a label wrong, and the original is what counts. If the result doesn't suit you, run Make it legible again: a new redraw always starts from the original.
To read it in detail, Enlarge image, in the same menu, opens it full size: zoom with the scroll wheel or a double-click (pinch on a phone), and drag it to move around.
A figure that is just sideways or upside down? No need to redraw it: in the same menu, Rotate image turns it a quarter turn left or right, as many times as needed. It is free and instant. A figure that was already redrawn keeps its original; its Label the figure questions are removed, since their masks targeted the previous image — create them again with Create cards from this figure.
Only the author of a course can redraw its figures. If no image is produced, nothing is deducted.
The redrawn figure can then be used as the basis for Create cards from this figure, to turn the names it carries into questions.
When you import a course, it's automatic as soon as you ask for questions: every map or diagram on which at least five names were read is made legible, then each of its places becomes a question (all names hidden) — six figures at most per imported course, within your AI quota; if the quota runs out, processing simply stops. For the other figures, or to choose the names yourself:
In the Lesson tab, click (or tap) a figure, then choose Create cards from this figure — only the course's author can do this. If the figure isn't legible yet, this action redraws it first; the redraw's cost is included in the chip.
Memojin then reads the names written on the figure: once per figure, for a small share of your monthly AI quota — shown in advance in the chip — with no further cost on later reads. A panel opens with the figure and the names found, grouped into Places (ticked by default), Legend and Other; legend or scale names, and those whose position is uncertain, cannot become questions.
Choose how the other names stay visible: All names hidden (default — the student can't lean on neighbouring names) or Only the name to find hidden. Confirm, and each ticked name becomes a Label the figure question — the figure is shown with yellow masks and a red mask marked “?” on the name to find. While the question is recent, the student picks among four names; once the question is learnt, they type the name (accents, capitals and a small typo are tolerated). The figure reveals itself after the answer.
The course's memo cards that showed this figure automatically switch to the redrawn version, cropped to the area they're about when possible — See the whole figure shows it all again. No image is generated for the questions: the masks, drawn by Memojin, change on the same figure. A question already created for a name is not created again.
The summary boils the lesson down to a few points. It serves two purposes: revising quickly, and acting as a tighter base for card generation.
It is generated from the Summary tab, provided the lesson exists. You can edit it by hand, print it to PDF, and regenerate it — bearing in mind that regenerating overwrites your edits.
If the lesson changes afterwards, the summary is flagged as out of date: it no longer quite reflects the text. It is up to you to decide whether that warrants regenerating.
Before generating or regenerating, a chip shows how much of your monthly AI quota it will take.
The summary does not count towards your progress: cards and questions do.
A memo card holds one concept to remember, written as a statement. It is not a question: it is the unit of knowledge memory works on.
This is what FSRS schedules: each memo card has its own memory state, its next review date and its level of mastery.
A card can carry an image or a sound, and be linked to the passage of the lesson it came from.
Its answer can be formatted: bold, italic, list, formula and table — handy for comparing two concepts side by side.
A question checks that you can retrieve, not merely recognise. Twelve formats, from the easiest to recognise to the most demanding to retrieve.
Recognise
Retrieve
Fill-in-the-blank labels, matching and sorting into categories work with a mouse or a finger, on computer, tablet or phone: drag the item to its place, or tap it and then tap its place. An item already placed can be dragged elsewhere, or removed.
All twelve formats accept an image. A question can be attached to a memo card — one card may carry several, at different difficulties — or stand alone with no parent card.
Questions feed practice. They count towards your progress, alongside memo cards.
Yes. When creating or editing a card you can attach:
The attachment is shown during the session, before you answer.
You don't always have to do it yourself: when a card comes from an imported lesson, Memojin automatically attaches the figure from the section it was drawn from — the map, diagram or chart the card comments on.
If that figure becomes legible (Make it legible, or by creating cards from it), the memo cards that showed it automatically switch to the redrawn version, cropped to the area they're about when possible.
From the matching tab of the course, or right at import — the wizard asks what you want to get: the lesson, a summary, memo cards, questions. At least one must be ticked; each item is ticked on its own, without pulling in the others.
For memo cards, you choose their basis, inside their tile (Based on):
Questions start from your memo cards when you generate some; without cards, from the lesson, or failing that from your source. The questions tile tells you which.
The AI picks each question’s format among the eleven available, and favours those that make you retrieve (short answer, numeric answer, reordering, sorting into categories, completing a table) over those that only make you recognise (multiple choice, true / false).
For questions drawn from your memo cards, you choose how many questions per card before you start: one (the default), two or three. With several, Jin varies the formats on each card. The number of questions and their cost are shown before you start, and Jin never creates more — including when you ask it for questions on a single card.
Everything is generated à la carte, at any time and in any order: the lesson, the summary, memo cards or questions, each on its own. On a course, the Generate button shows what already exists, what can be generated and what it costs. Without a lesson, Jin starts from your original document; if the lesson comes later, it attaches the existing cards to the lesson, and links your questions to their memo cards. While generating, Jin tells you what it is doing and what it sees.
Before generating, Jin reads the whole document and sorts each passage: course material, method, studied document (a court ruling, a reproduced text), exercise, or what isn't course material (introduction, schedule, table of contents, bibliography, footnotes). Course material gives memo cards; a studied document only gives its essentials (the ruling and its scope, the author's thesis); an exercise becomes a question, with its worked answer when there is one, and never a memo card — if you asked for questions; the rest is set aside. The final message tells you how many questions came from the exercises and how many passages were set aside.
A course imported without a lesson also offers it from its empty Lesson tab: Jin writes it from your original documents. Each question has a level — easy, medium or hard — based on the effort it takes.
Generation goes into the queue: you can close the tab and you'll be notified when it's done. It consumes your AI quota, and the estimate is shown before you start.
Yes, all of them — as long as no job is running on the course:
While processing is running on the course — reading the pages, writing the lesson, the summary, generating cards or questions — these actions are paused: the buttons turn off, and a banner under the tabs names the job that is running. They resume as soon as it is done. An edit window that was already open does still save, though: work in progress is never lost.
An image can be added to any type of question, and it is kept when you change a question's type.
Deleting a card also erases its memory history: that is final.
A question is only saved if it is complete: a fill-in-the-blank needs at least one blank and one answer per blank, a matching question at least one pair, a multiple-choice question at least two options. The refusal names what is missing — better to read it while writing the question than to fail it during review.
Creating or editing happens in a two-column window: the form on the left, a live preview on the right — the memo card as the student will see it (the whole card, as in a session: its title, its content and its explanation), or, for a question, What the student will see. A new question (Add questions, in the Questions tab) starts with choosing its type (eleven formats, each with what it asks; “Label the figure” comes from a figure of the lesson); Change type reopens the choice. Difficulty is picked with three buttons: Easy, Medium, Hard. When editing, Delete sits at the bottom of the window. On a small screen, the window fills the screen and the preview moves below the form.
A memo card's media is an image, a sound (an audio file, which becomes the card's voice) or a YouTube or Vimeo video link. Create and add another saves the card and reopens an empty window; when editing, the window lists the card's questions, with Add and Generate, and Save and add question moves straight on to a question.
Yes, on the web and on mobile, in light and dark theme:
Everything stays editable. In a card’s editor, Edit diagram opens its source with a preview that follows your typing; the Diagram and Code buttons of the toolbar insert a new one, and you pick the language of a code block.
When Jin creates cards, it checks that every diagram can be drawn before writing it: a diagram that cannot be drawn is removed, the card’s text stays. If a diagram cannot be displayed, the card says so and the rest of its text stays readable.
Yes. From the Memo cards tab of a course: the + button → Import from a course. Search for the source course, tick the cards you want, and they are copied into the current one.
They are copies: editing them here does not touch the original.
The same menu holds Import from Anki, which opens its own dialog: the two imports are no longer mixed together.
While a job is running on the course — reading the pages, writing, the summary, generating cards or questions — the + button is off: both imports wait for the job to finish, and the banner under the tabs names it.
Both imports open in a window. From a course has two tabs: browse your courses (a whole course, or a few ticked cards) or Search cards. Anki goes in three steps, shown at the top of the window: File, Preview, Result. In the Questions tab, + → Create question opens the choice of question type; Import questions from a course, at the bottom of that window, reuses questions the same way.
A menu appears offering five actions, applied to the selected passage only:
The first three open Jin and ask it about that passage. “Generate related cards” also opens Jin, which builds memo cards from the passage and links them to that spot in the text. “Create a card” opens the card editor, pre-filled with the passage: the card is written by hand, without AI, and stays linked to the passage.
Clicking an image in the lesson lets Jin explain it. While a generation is running on the course, only the actions that write nothing remain available.
Where the course came from, whatever that is:
.apkg;When the course has several sources, their list sits on the left — images as thumbnails that enlarge with a click — and the chosen source shows next to it. When it only has images (photos of lecture notes, for instance), the first one shows large next to the thumbnails: the arrows move to the previous or next one, a thumbnail you pick shows instead, and a click on the image enlarges it full screen. On a phone, tapping a source or a thumbnail opens it full screen; close it to go back to the list.
In a shared space the sources are listed but the original files are not downloadable: we say where the course came from, we don't redistribute it.
Yes, whichever it is. Nothing in the application knows the name of your subject: if your course fits in a PDF, a photo or a few paragraphs, it fits in cards.
What changes from one subject to the next is the shape of the cards. Mathematics and physics need formulas, typeset as such inside the card; biology and geography need image-backed questions with markers to name; languages need cards you can hear; history and literature need fill-in-the-blank questions that demand the exact date or word.
Twelve public pages show this subject by subject, each starting from a real excerpt.
No, and that is deliberate. Memojin offers no catalogue of lessons: you upload your own documents — your teacher's handout, your notes, a photo of the board — and the application turns them into cards.
So you revise exactly the syllabus you will be examined on, not a stranger's version of it.
From the Podcast tab of a course, from the Memo plan upwards — on Start, you listen to the episodes shared in your spaces, without making any. It is made in two stages, which follow on by themselves:
Several lengths are offered — capsule, brief, episode, and the lesson reading, exactly as it is written. Each says whether it plays with two voices or one. A lesson that is too short leaves the longer lengths greyed out and locked; hovering one gives the reason.
The episode speaks the language of the course, whatever it is. Making it is deducted from your AI quota: the script, then the voice, according to its length.
At the top of the tab, a four-step timeline — Length, Script, Voices, Listen — shows where the episode stands: a finished step is ticked, the current one is tinted blue, a failed one red.
A transparency notice, mandatory, states that the episode was written by AI. It cannot be removed. It is heard at the start of the episode, and a line recalls it at the top of the script.
While you listen, the script follows the voices: the line being spoken lights up in the Podcast tab, and clicking any line jumps the playback to that passage.
If production fails, the tab and the generation queue say so plainly. Failure while writing the script: pick a length and relaunch. Failure while recording the voices: the script is kept, you only relaunch the audio from the script screen — lines already recorded are not redone. On a technical failure, try again later or contact support if it persists.
To redo an episode, first delete the existing one: “Delete the script” if the voices could not record it, “Delete the episode” once it's ready — a lesson reading included. The AI quota spent making it is not refunded.
Two synthetic voices: a host and an expert, for two-voice formats. The capsule, the narration and the lesson reading have only one.
They are the same voices in every language: the episode speaks the language of the course.
The script and the tone of the voices adapt to your level of study and your age, as set in your profile: a high-school student and a master's student don't hear the same episode.
Making an episode is deducted from your AI quota: the script, then the voice, according to its length. Before you start, each length shows how much of your monthly quota it will use.
Yes: in the Podcast tab of a course, choose Lesson reading. The voice reads your text exactly as it is written — a poem, a history lesson — without summarising or rephrasing it. Only what cannot be read aloud as is gets adapted for the ear: formulas are spoken in words, dates and numbers in full, and an illustration's caption is announced. There is no script: the voice records straight away. Like any episode, the reading is deducted from your AI quota, per minute of voice.
While you listen, the Lesson tab follows along: the passage being read is highlighted and the page scrolls with it. Tap a paragraph to resume the reading from there. Got a question? Open Jin: the reading pauses and Jin knows which passage you were listening to. Pick up again whenever you like with “Resume playback”. It works from a space too.
Lesson reading is limited to fifteen minutes of voice for now: beyond that, split the course into several parts. The tile says so before you even choose.
The Library toolbar offers:
The view you choose is saved to your account: the app and the website use the same one. On a phone, the Grid and List buttons sit next to the search; until you choose, the app opens in grid view.
Filter checkboxes add up: a course must tick everything selected to appear. The filter looks in the current folder and in all its subfolders — from the root, it goes through the whole Library — and folders step aside while a filter is on, leaving only courses. It is the fastest way to find what has no cards yet.
Through the row's action menu — the three dots — or, for an open course, the menu at the top right.
Move to… opens your folder tree; Rename changes the title. A move is refused if the destination would exceed the 5 levels of depth, or if you try to put a folder inside itself.
With the mouse too: drag a course — its row in list view, its tile in grid view — onto a folder: it opens to take it in, release it to file it there. When you are inside a folder, a Drop into strip appears above the list while you drag, with the root and the parent folders: drop the row there to move it up. Dropped outside any target, it stays put.
On a phone, keep your finger pressed on a course: its tile lifts. Drag it onto a folder — its folder icon opens, or its row is highlighted in list view — and release it to file it there; Undo, at the bottom of the screen, puts it back where it was. Released in place, it opens the course menu. For a folder that is not on screen, or to move a course back up, use Move to….
Moving a course changes nothing about its memory or its sharing: it stays visible in the spaces it was added to.
A deleted course leaves the Library and every space it was shared in. Its cards and questions go with it, along with their memory history. This is final.
A deleted folder takes its subfolders and the courses it holds with it.
The confirmation dialog tells you each time what is about to disappear. If you only want a course to stop being visible in a space, don't delete it: remove it from the space, which is something else entirely.
Yes. The Select button in the toolbar shows the checkboxes. A bar then appears at the bottom with the number of items selected and the available actions: Move or Delete.
If an operation fails partway, Memojin tells you how many items were processed before it stopped — nothing is left in an ambiguous state.
Three routes to the same result:
You choose what you share, where to place it in the space, and which parts go in (the lesson, the summary, the cards, the questions, the podcasts, the sources).
The course stays with you: it is shown in the space, not moved. In the space, Open in the Library takes you back to the course.
From the user menu → My files. You see every uploaded document, its date, its processing state and the course it belongs to.
It is also where you check that an import finished properly, and retrieve a document you no longer have to hand.
Every generation — lesson, summary, cards, questions, podcast — goes into a queue reachable from the header. It shows the current step, the progress, and the result once finished.
You can close the tab, shut down the computer, come back later: the work continues server-side. A notification tells you when it's done.
If a generation fails, the queue says so and you can restart it. An interrupted generation does not consume the quota it did not use.
When a single action starts several courses — for instance “one course per file” — the queue groups them under one expandable block: “3 courses being created”, then “3 courses created”, with a button to open the folder.
Why is every button greyed out? Because processing is running on that course: reading the pages, writing the lesson, the summary, generating cards or questions. For as long as it lasts, every writing action is paused across the whole course — generating, writing, creating a card, editing it, deleting it, reordering, importing, changing the language. Two simultaneous writes on the same course are a conflict: one of them would be lost without warning.
Three signs say so:
Reading stays open: you browse the tabs, filter, search, listen to a card’s voice, start a session. And an edit window already open when the lock kicks in does still save — work in progress is never lost.
A podcast or a card voice generation blocks nothing. Neither touches the text, and both take time — an episode takes up to a quarter of an hour: only their own tile animates, and the rest of the course can still be edited.
Yes, but on demand: automatic production has been removed. From the Memo cards or Questions tab of a course, the Generate audio entry of the + menu produces audio for cards that don't have any yet — with the synthetic voice, or the cloned voice of a teacher who has linked it to the course. Each card is read in its own language — French, English, German, Spanish or Italian — by that language's synthetic voice. Cards in Portuguese, Dutch, Polish and Romanian have no synthetic voice.
On a card, the Card voice block chooses what sessions read. Synthetic voice: Generate the voice produces it, Regenerate redoes it. My voice: your own recording — Record my voice with the microphone or Import a file; it becomes the card's voice as soon as it is uploaded (nothing to do with a teacher's cloned voice). None: the card is not read, and nothing is deleted. Each mode only shows its own buttons; a disabled button says why, right below it.
During a session, a button mutes or unmutes playback at any time.
On a course you own, in the Memo cards tab as in the Questions tab, the + menu offers Generate voices as long as at least one card has no voice.
This production is in beta: it is not deducted from your AI quota. It joins the generation queue, where it may first show “Waiting — other jobs go first”, then progress card by card (“Audio: n of N”). The speaker icon appears on each card as it's done, with no page reload.
Each card is read in its own language (French, English, German, Spanish, Italian): the synthetic voice changes with the card's language. Cards in Portuguese, Dutch, Polish and Romanian have no synthetic voice.
Yes, if it already had one: editing the text, answer, explanation or options of a voiced card regenerates its voice automatically, as soon as the queue allows it — the redo waits behind any batch already running on the same account.
A card that had no voice yet stays silent after an edit — nothing is produced until you use Generate audio, in the + menu.
It shows your lesson as a mirror of your memory: its headings, the concepts filed under them, and for each one how well you remember it (known, to review, or not seen yet). There is nothing to do: it draws itself from the concepts of your memo cards and appears as soon as the course has some. When it opens, it traces itself from the root: the branches grow, then the concepts appear.
Drag it to move around. To zoom, pinch, use Ctrl (or ⌘) + scroll, or the + and − buttons. Recentre frames the whole map, and the full-screen button spreads it across the screen.
Clicking a concept brings it to the centre and lights up its path to the root; the rest fades. Esc, or a click on an empty spot, brings back the whole map. A concept's “N cards” badge opens its memo cards. Hover over a concept and its neighbours and the links between them light up.
From afar, when you zoom out, concepts become simple dots in the colour of your memory: you see at a glance what holds and what slips. A course's map is always complete, however many concepts it has.
Green: you've got this. Red: to review. Grey: you haven't worked on this concept enough yet for us to tell. It isn't a zero.
When you come back from a session, concepts whose state changed take on their new colour with a short pulse. From afar, concepts are just dots in these colours; spaces and courses keep their names.
No, and that's on purpose: the concept map isn't a separate document, it mirrors your concepts and the memo cards linked to them. To change it, work on what it reflects: rename or delete a concept, or move a memo card to another concept, from the “Memo cards” tab. The concept map updates on its own the next time you open it, with no button and no rebuild.
Memojin uses FSRS (Free Spaced Repetition Scheduler), a spaced repetition algorithm that models your memory card by card.
With every answer it updates two quantities for that card:
From this it works out the date at which you are about to forget — the best moment to see the card again: late enough for the effort to count, early enough not to start over.
You have nothing to schedule. You answer; Memojin handles the calendar.
The old engine applied fixed intervals, the same for everyone: pass and the delay was multiplied, fail and you went back to the start.
FSRS learns from your answers. It keeps a memory state per card, estimates at any moment the probability that you still remember it, and places the review when that probability gets too low. Two visible consequences:
It is also what makes the exam-day prediction and the balancing of time across several deadlines possible.
Two complementary activities:
Reviewing works on memo cards. The card appears, you try to recall it, then you judge yourself: Not understood, To review, Understood. That is where memory is built and the calendar updated.
Practising works on questions. You answer for real, and the answer is marked — right or wrong, no self-assessment. Marking is verified server-side: it is never sent to the browser in advance.
Both feed your progress, but only reviewing drives when cards come back.
They are the three possible answers when reviewing, and they are not a grade:
Answer honestly: it is directly in your interest. Telling yourself “understood” to go faster pushes away a card you don't know, and it will let you down on exam day.
They are the five states of a card, derived from its memory:
A card can move back down: that is normal, and precisely what the system is built to catch.
The share of your cards that is consolidated: solid and mastered cards, over the total of the scope.
So it doesn't move on a card's first pass: seeing a card once does not consolidate it. It rises when your memory holds over time.
Three measures on the same base — every card in the scope: Coverage answers “what have I come across?”, Memory “what would I recall today?”, Progress “what is durably acquired?”. Progress does not fall on its own; Memory does: when Memory drops below Progress, what was acquired is fading.
Memory is the share of the review cards in the scope that you would recall today, according to FSRS. For each card, the model estimates the probability that you remember it right now; these probabilities are added up and divided by the number of cards in the scope. A card never studied counts as zero: Memory can therefore never exceed what you have seen. It falls on its own over time, and rises with every review. The word and colour beside it judge what you have seen: “Holding well” (purple) when you recall most of it and at least half is learned — reviewed over several days —, “To consolidate” (orange) when it slips or is still brand new, “Fragile” (red) when it drops away.
The share of your cards already seen: cards reviewed at least once, over all those in the scope (“12% seen”).
It is the most useful measure early in a preparation: it answers “have I been through the whole syllabus?”.
Two measures, the same everywhere: “seen” answers “what have I met?”, memory “what would I recall today?”. Memory never exceeds what you have seen: a card never seen counts as zero in both.
Not to be confused with “Lesson turned into cards”, on a course page: the share of the lesson's text that memo cards cover.
MemoBoost is your session for the day. The one on Home runs through all your spaces, in list order: it is the sum of your spaces' MemoBoosts. Each space has its own — the Start button on its line on Home, the MemoBoost button on its page, or the calendar — and Review on a course, within its space, starts that space's MemoBoost on this course only, when it has cards today. You will recognise it everywhere by its rocket.
There is only one session a day for each: starting it again resumes it where you left off (the button becomes Resume MemoBoost). Each time it resumes, the session is put back together: the cards you have already answered still count, followed by those the plan serves now. The counter therefore starts from the announced number of cards, and a card answered in a space lowers the Home total by as much.
The number of cards is announced before you begin: they are the cards the session will serve within the time you have. Due cards that belong to none of your spaces are not counted in the plan — they are reviewed from their course. Review 20 more cards, offered by Jin, remains a separate session.
Several doors lead to the same place:
Before starting, Memojin always announces the number of cards and the estimated duration. Nothing starts without you knowing what lies ahead.
Yes. A selector offers several durations, and the number of cards or questions included adjusts automatically to each.
When every available card already fits in the chosen duration, the screen says so: going higher would add nothing.
Yes, through filters, before starting:
When reviewing: all, to review, never seen, not yet mastered, not understood, understood.
When practising: all, failed, never attempted, passed.
This is useful for a targeted catch-up — “only what I got wrong” — but it is not the normal mode: day to day, let memory choose, that is its job.
In a space's course, only the filters that have cards are offered; when there is nothing to choose, the filter row disappears.
Yes, a Shuffle option is offered before starting, as soon as the session has at least two cards. It randomises the order of cards or questions.
It is recommended once you know a course well: over time, you remember the sequence of cards rather than the cards themselves.
When you close a session in progress, a You can stop here window sums up: how many cards you have seen out of the total, the session's thread and the card you will pick up at (“You'll pick up at card 5.”); if the session spans several spaces, one line per space — done, resumes at card N, or postponed. Resume takes you back into the session, Stop for now closes it. A mock exam, on the other hand, is cancelled if you quit it.
Nothing is lost. The session becomes “started” and is offered to you next time. It keeps its start date, the number of cards already done and your results so far.
You can resume it, or delete it if it no longer interests you. The answers already given are banked: they have already updated your memory.
The end screen sums up:
You can then open the detail question by question: your answer, the correct answer, and the time spent. The full history of your sessions stays available.
On the left, a vertical track: one tile per card, in session order — green, amber or red once the card is judged, in the session's tint for the current card. At the top: the space and course the card comes from, the counter, slideshow mode, voice playback and a (?) listing keyboard shortcuts (1, 2, 3 to judge a memo card, Enter to validate). On the right: the card’s explanation (as soon as a memo card's answer is shown; for a question, once you have answered), then, after a question, what your answer changed in your memory — the tier reached and when the card comes back — and the button to report a problem. In test mode nothing is saved, and the screen says so. On a narrow screen the track becomes a thread at the top and the right block moves under the card.
Yes. At the top of the card, the pencil opens the card so you can fix it: the change applies in your library and in every space that contains it, and your memory tracking is kept. The pencil only shows on your own cards: a card shared by your teacher can't be changed, but you can still add a note to it.
My notes flips the card over: write your own wording, a memory trick or an example (280 characters at most). Your note doesn't change the card, only you can see it, and it's there every time you review. A small dot marks the cards that have one; the same icon, at the top of the card, opens it again.
Yes. You have just one memory. A card has one memory state, wherever it is reviewed: from a course, from a space, from the MemoBoost, on the web or on mobile.
So reviewing a card in your group's space moves that same card forward in your own preparation, with no duplicated work.
It is also why a card is served only once a day, even when it belongs to two overlapping deadlines.
It opens the exact definition of that figure: what it counts, from what threshold it appears, and what it does not tell you. For example, “Predicted memory” is the share of cards you will know in 30 days according to the memory model — a card never seen counts as zero; “Rhythm broken” means that fewer than two thirds of last week’s active students reviewed this week.
The (?) opens on click or tap, never on hover, and it is there wherever a figure needs clarifying: dashboard, student page, groups, a space’s Monitoring tab, memory map, AI quota — on the web and on mobile.
They are the cards whose return date, computed by FSRS, has arrived — the ones you are about to forget — plus, depending on your daily plan, a few new cards to discover.
The number moves on its own from one day to the next: it depends on what you did on previous days, and on how your answers spaced each card.
A count of zero does not mean you have nothing to do: it means nothing is fading today.
Yes, a timer that splits work into blocks, with breaks. It helps you get through a session without drifting, and your study time for the day counts the time spent answering cards, not the timer.
It is a help, never a constraint: nothing stops if you go over, and you don't have to use it.
Yes, when the cards have been voiced. Playback starts as the card appears, and a button mutes or unmutes it at any time during the session.
It is particularly useful for languages, and for revising while walking.
Yes. When a question is attached to a memo card, a button switches the screen so you can reread the concept, then go back to the question.
It is made for the moment you get stuck: rather than failing without learning anything, you reread the concept at its source.
Your study time is the time spent answering memo cards and questions, in all your sessions — MemoBoost, review, practice, simulation — split between memo cards and questions. For each card, it is the time from the previous card (or from opening the session) to your answer, counted up to 60 seconds: a card left open while you do something else does not inflate the count. Opening a session without answering, moving around the app, listening to a podcast or reading a lesson don't count.
On Home, the day bar (in Your session today) shows in green the time already done, in blue the time planned, then the free time, scaled to your availability for the day. You can adjust today's available time without touching your usual availability: the change applies to today only.
It is the share of the space's cards you will still know in 30 days, according to the memory model, if you do not review them before then; a card never seen counts as zero. Memojin relies on FSRS, whose parameters adjust to each person as they answer.
It is a projection, not a measurement — the word “predicted” is there to remind you. The measurement will come from a cold test: a session with no prior review, where you see what has really stayed.
The figure is only absent when the space has no cards at all. As long as nothing has been studied, it reads 0%: that is what you would know today.
A concept is one idea in a course — what there is to know, in a few words. You have nothing to do to get them: as soon as cards are created — generated by the AI, added by hand or imported — Memojin splits the course into concepts and attaches each card to them, in the background, a minute or two later. It is free: no credits are charged. The questions of a memo card take the concepts of their card.
Concepts show up in the Memo cards tab: each concept forms a block that groups its cards, and the Concepts selector in the filter bar shows one or several of them. The Questions tab is organised the same way: each question sits under its main concept. A card that is not attached yet appears under “No concept” until the attachment is done; meanwhile the tab says so: “Jin is sorting your cards by concept…”. The author of the course can rename a concept or delete it from the ⋯ menu of its header; the cards of a deleted concept are spread over the others. The author can also move a card to another concept: Move to a concept… in the card's ⋮ menu, or the move button of the selection bar for several cards at once; on mobile, a long press on the card. Choosing “No concept” leaves it there for good, outside every concept. A moved memo card takes its questions along, and the automatic sorting no longer overrides that choice.
That is the scale at which Memojin reads your memory: every night, your memory of each concept is measured from your reviews of its cards. The result is shown in My memory map, concept by concept and course by course, with three states that do not look alike: Solid, To review, or Not seen enough yet as long as there is no measurement.
A concept is not a card: a card asks a question, a concept names what those questions check.
Because there is no measurement yet, and Memojin would rather say nothing than say something false.
It takes at least 5 reviews on the cards of a concept — all its cards together — before a memory level is calculated and shown. Under five reviews, the model does not have enough observations to judge the concept: the concept stays grey on your map rather than showing a fragile figure.
To move the measurement forward: on your map, the concept's “4 cards” badge opens its memo cards; start a session on those cards only from there — it counts like any review. The calculation runs every night — so the level shows up the day after your fifth review, not within the minute.
It is the map of everything you review, in two views, as in a space.
Map (the view that opens): the same as a space's Map view, with one zone per review space and one bubble per course. It lies on the background: drag it to move around and zoom by pinching, with Ctrl + scroll or the + and − buttons; it opens centred, with its legend on one line below. Size shows the number of cards, colour your memory today (Holding well, To consolidate, Fragile; dashed, not started), the figure in the centre the share of cards acquired. Tap a bubble to review the course, open it or talk about it with Jin. Where to start suggests three courses from the same space, the most fragile first, and Review in this order chains them in one session.
Concept map: the same as a space's Concept map tab, across all your concepts. My memory in the centre, your spaces around it, then their courses, their branches and their concepts; a concept's “4 cards” badge opens its memo cards. You explore it the same way: drag to move around, zoom, click a concept to bring it to the centre, Esc to go back, Recentre to frame it all. Beyond 300 concepts, each course opens collapsed (“▸ N concepts”): a click unfolds it, “− Collapse” folds it back.
A course found in several spaces appears only once (your personal space first); archived spaces are left out. Open it from Home, with See my map.
It's the page that shows how Jin follows your memory, card by card. Open it from My memory map, with the Jin's brain button. It has five views:
The page costs no credits.
It nests everything a space holds: the space at the root, its courses right below, then their branches and concepts, coloured by memory. You explore it like a course's map: drag it, zoom, click a concept to bring it to the centre and light up its path, press Esc to go back. A concept's “N cards” badge opens its memo cards and prepares a session on those cards only; “Whole course” widens the session to the entire course.
Up to 300 concepts, everything opens expanded. Beyond that, each course opens collapsed: it takes its memory colour and shows “▸ N concepts”. A click opens it: it unfolds and its neighbours slide aside to make room. “− Collapse” closes it again.
A teacher who supervises the space gets a view selector: their own memory, the aggregated memory of their students, or a chosen student. In the aggregated view, a grey concept always says why: no visible student, not enough answers, or a calculation still pending. Three reasons, three different responses.
A space is where you work. It brings together three things Memojin used to keep apart:
A space can be strictly personal. It stays that way as long as you invite nobody.
It is also the unit the daily plan balances: your day's time is split across your spaces, according to how urgent their deadlines are.
Three families, recognisable by the label above their card title:
A private space becomes shared the moment you invite someone. The My spaces and Supervised tabs separate the ones you lead from the ones run for you.
A space card reads at a glance: the ring around its icon is your Progress, the big figure on the right your Memory (its purple, amber or red dot judges what you have already seen), and the bottom row counts what is new, unread and left to master. Review — on hover on the web, a button on mobile — starts today's session for that space without leaving the list.
Each card sums up your space at a glance. The outer ring shows your Progress (consolidated cards), the inner ring your Memory, with its figure in the centre; its colour reflects what you have already seen (purple when you remember well, orange then red as it fades). The tiles show what the space holds: courses, memo cards, podcasts — or your unread messages. The “Your target” band draws your trajectory: the curve of your memory up to today, then, in green dashes, where it will be on the day of your next deadline if you follow Jin (in orange dots, what it would become if you stopped). Without a deadline, the card invites you to set a date. At the bottom, the latest news (new courses, messages, your place in the group or your last session) and, when your daily plan sets aside time for this space, a “▶ N min” button that starts the session without leaving the list. “Up to date” means there is nothing to review today. A teacher sees their group's memory and number of students instead.
It is the review space Memojin gives you by default, for you alone: it is called My reviews. You can change its name, colour and icon, but it cannot be shared, archived or deleted.
Your courses live in the Library; this is where you review them. An empty space says so: click Add courses to tick, in your Library, the courses and folders to bring in. At the end of an import, Add to My reviews puts the new course there in one click — or Choose another space. Nothing goes in on its own.
It serves as a landing place: whatever you revise without having set up a dedicated space belongs there, and your personal deadlines can be set on it.
From My spaces → Create a space, or from Home if you don't have one yet. Creation takes three steps, and you can go back to any of them by tapping its marker:
Everything stays editable afterwards, from the space.
The number of spaces you create depends on your plan — the free Start plan includes three, Memo ten, Max and the teacher plans no limit. The applicable ceiling is shown on the pricing page and in the creation screen.
Joining a space, on the other hand, is unlimited and free: you can be invited into as many friends' or teachers' spaces as you like, whatever your plan.
For a student — owner of their space or guest — the space opens on the Board, with no tabs to go through. At the top you switch between the Board, the Timeline (grouped by folder, each folder unfolding into its courses: reviews done, reviews planned up to the deadline; at the top, the daily load for the next seven days — today's bar shows, in orange, the overdue cards to catch up on; for each folder and each course, the estimated time over those seven days) and the Map (laid on the space's background: drag it to move around and zoom by pinching, with Ctrl + scroll or the + and − buttons; it opens centred on your courses and grows with them; one area per folder, one bubble per course — its size shows the number of cards, its colour your memory today, the percentage in its centre the share of cards acquired; under the bubble, “76 cards · Memory: Fragile” and, on the last course reviewed, “Reviewed today” — and Where to start: from two courses on, the three Jin suggests starting with, numbered on the map, each with a button to review it; clicking a bubble opens its details in place of Where to start — Review ▾ (memo cards, questions or both, as in Space courses), Open the course, Ask Jin; at the bottom, Reading the map fits on one line: the memory colours, the share acquired, the bubble size and Jin's order); notes, podcasts, courses, deadlines, games and members open in a side panel, with Jin still in view. The tabs below are those of a supervised space's owner; depending on the kind of space and your role, you see all or some of them:
From the space's Board (Add a course, at the top of the Courses block; Share a course on a group's Monitoring tab), from Courses in the space → Add a course, or from the Library → action menu → Add to a space.
The dialog asks three questions:
The course is not moved: it stays in the Library, and the space gives access to it.
Ticking a folder rather than a course creates a live link: everything you drop into that folder tomorrow will join the space automatically, without you having to come back to it.
This is the right approach when a subject builds up week by week: link the folder once, then simply file your new courses in it.
A linked folder that is still empty is flagged as such in the space — that isn't a fault, it's a folder waiting for its first course.
Yes, with Choose the cards on a course in the space. Untick the ones that don't belong here — an off-syllabus exercise, a card that is too advanced.
Be careful: this is not a personal filter. An unticked card leaves the queue of every member of that space. Unticking a memo card also removes the questions that depend on it.
The exclusion applies per space: the card carries on as normal in your courses and in your other spaces.
The Space courses block, on the Board, is organised like the Library: its folders expand in place; its + creates a folder, and a folder's ⋮ menu edits it, creates a subfolder in it, moves it or deletes it. To file a course or a folder, drag it by its ⠿ handle onto a folder, or onto the “Drop at the root of the space” strip that appears while you drag.
Worth knowing: a space's folders are for filing, not storage. Deleting a space folder removes filing links — the courses themselves stay with their author.
In a space, folders have no appearance to choose: they all take the same tint, the app's own — the space's colour is kept for its icon.
Each course in the list carries its two rings, Progress and Memory, on the memo cards the space shares: they are yours. In a supervised space, the teacher sees a single ring there: the members' average progress — never their memory, which stays personal — and nothing about individual tracking, which the student's profile covers in full, by name. A row's actions (choose the cards, what is shared, move to a folder or to the root, remove from the space) are in its … menu. Moving a course touches neither its shared parts nor its set-aside cards: it is filing, not a removal followed by an add. A course that came in through a linked folder follows its folder: it is the folder that moves.
A reference document you drop into a space to keep it at hand: a file (PDF, Word, PowerPoint, text or image), a YouTube video (only its link is kept), an audio clip — uploaded or recorded on the spot — or a link.
A resource is not a course: it has no cards, no progress and no session. You just open it.
To add one on the web: Add a resource, at the top of the Board's Courses block, or from Courses in the space — if your role allows it. Resources then appear on the Board, below the courses, as tiles: their type, a PDF's page count, the date added and, when known, who added it; a click opens the file or the link.
A resource is removed from Manage, at the top of the Board's Courses block (the bin at the end of its row), with a confirmation, if your role allows it. A removed file stays in your documents (My files): it is not deleted. A link is only removed from this space.
Remove from the space: the course stops being visible to members. It stays intact in its author's Library, with its cards and its history.
Delete: the course disappears everywhere, permanently, with its cards.
If a removed course was part of a deadline's programme, Memojin warns you: removing it also takes it out of that programme.
Their author, always. A shared course is shown in the space, never transferred.
Consequences:
From the space, the Invite action. Three ways:
Pending invitations stay visible in the space until they are accepted.
It depends on the space.
Between friends:
In a supervised space:
The admin changes a member's role from the Members tab.
In the space's Settings. You'll first find its identity — name, description, colour, icon — then the community settings, grouped into four families: who sees whom, games, exchanges, Jin.
Three presets get you there fastest:
As soon as you change a setting, the space switches to “Custom” and tells you how many settings differ from the preset.
Each one says what it opens and what it closes:
A preview, on the right, shows live what a member sees after each toggle.
A space has a chat thread: messages, emoji, and @Jin mentions to ask it a question in front of everyone.
You can also send a private message to a specific member, if direct messages are allowed in the settings.
If the thread is switched off in the settings, it disappears for every member, the supervisor included.
A message is 4,000 characters at most. A mention (@name) only notifies members of the space.
The thread opens on the most recent messages; scroll up to read older ones (on the web: Older messages, at the top of the thread).
In a supervised space, the teacher sees ticks under their messages: one grey tick, nobody has read it yet; two grey ticks, some of the members; two blue ticks, everyone. The detail (“Read by 3 of 11”) appears on hover, or on tap on mobile. Between friends, everyone sees it under their own messages.
A message scrolls away in the chat thread. A note stays on display in the space: it is the right place for an instruction, a reminder about method, a useful link.
A note can be pinned at the top, and its author sees how many members have read it. Its author can also edit it (the pencil); the space owner can pin or remove it, but not rewrite it.
In some spaces only the owner and contributors write notes: that is a setting, not a fault.
From a space's Board, notes open in a side panel while Jin stays visible: you write straight at the top, filter (All, Pinned, Mine), and a note's ⋯ menu lets you edit it in place, ask Jin to explain it, copy its text or delete it — a deletion can be undone for a few seconds.
The ranking compares members' mastery rates. It only appears when two conditions are met: statistics sharing is on, and ranking is on too. It also needs at least two measured members: on your own, there is no one to compare yourself with.
In the Members panel, each person appears only once: on their row, their role, their rank (a gold, silver or bronze badge for the top three, then “#4”), their mastery and how many cards they have seen. On the right, the podium of the top three, what others see of you, then recent activity. At the top, the group average and yours: a reference point, not a grade — not everyone has seen the same cards.
In a supervised space the ranking is off by default: in a group, it very quickly reads as marking.
What has happened: courses added or removed, members joining, notes published, deadlines set, reminders sent.
It answers “what has changed since my last visit?” without going through every tab. Courses that are new or modified since your last visit are also flagged in the Courses tab.
The space's cards become a run you play: you run, the questions keep coming, you don't stop to think. Memorun is the first game, now in its final stages — the tab tells you how many of your cards are already playable, and you can ask to be notified when it launches.
You can also suggest an idea for a game you'd like: nobody else reads it.
Worth knowing: played cards will count towards your memory, not your progress. Playing maintains what you have already seen; it does not open new ground.
In a supervised space you teach, the game ranking isn't shown: it belongs to the students.
A space's Podcast tab gathers the episodes ready on shared courses. You pick up an episode where you left off, play everything in a row, move from one episode to the next.
Build a listening list lets you tick folders or courses and chain their episodes. The list isn't saved: it only lasts while you listen.
An episode is always requested from a course — the space doesn't produce, it gathers.
From a course opened inside the space, its Podcast tab plays its episodes directly: tap the row, playback starts and follows you from screen to screen.
With Leave space, from the space itself or from the “…” menu of its card on the spaces page. Memojin then asks what to do with what you brought: remove it from the space, or leave it there for the other members.
On leaving, you lose access to other people's courses, which leave your reviews — except those you also find in another of your spaces. Your progress on the cards you worked on stays yours.
If you are the owner, you don't leave the space: you archive or delete it.
Yes. The owner can transfer the space to another member: that person becomes admin and inherits management of members, settings and courses.
If there is no eligible member, the transfer is impossible: someone must be invited first.
Archiving moves the space to the Archived tab of the spaces page — a tab that only appears once at least one space is in it. Its courses leave your reviews, except those you have also placed in another space. Its members lose access but are not removed: Unarchive, in the “…” menu of its card, brings back the space, its members and its reviews.
Deleting is final: the space, its filing folders, its deadlines and its thread disappear. The courses themselves stay with their authors.
Only the owner can archive or delete a space, and the personal space can be neither archived nor deleted.
From the Friends page, or by sharing your invitation code (My profile → Invitations). A friend request has to be confirmed on both sides.
Being friends makes everything else easier: inviting into a space in one click, writing privately, showing up together in the rankings of shared spaces.
Yes, to your friends, from Messages; and to the members of a space, if direct messages are allowed there.
In a supervised space where direct messages between members are off, students can still write to the supervisor.
A private message is 4,000 characters at most. You can edit it, delete it for yourself only, or for everyone.
The conversation opens on the most recent messages; scroll up to read older ones (on the web: Older messages, at the top).
One tick means “sent”, two ticks “read”. Your teacher can see when you have read their messages; the other way round, you cannot see whether they have read yours.
Who sees you online? Only your contacts: your friends, your teacher or the students you follow, and the members of the spaces you share with them. In invisible mode, nobody.
Both in a space's thread and in a private message, you can react to a message with an emoji. On your phone, press and hold the message and pick an emoji (👍 ✅ 👀 ❤️ 😂 🙏, or + for all the others). On the web, hover over the message and click React (🙂).
You have one reaction per message: picking another one replaces it, tapping yours again removes it.
Under the message, each emoji shows how many people chose it. To see who, hover over it on the web, or tap it on your phone. On the web, clicking someone else's emoji makes it your reaction too.
In a private message, the other person is notified of your reaction. In a space's thread, nobody gets a notification.
Your teacher invites you by email, or sends you a code. You receive an invitation to accept — it also appears in Memojin, among your pending invitations, and the badge on Review spaces in the sidebar counts it — whether it opens a space or a group for you.
Once accepted, the space appears in the Supervised tab of Review spaces. Joining a space consumes no quota and stays free, whatever your plan.
Read it, and work on its cards. The page only shows what its author chose to share; what isn't shared is flagged.
You cannot edit the lesson or the cards of a course that isn't yours, and source files cannot be downloaded from a space.
Your work on those cards, however, is very much yours: it feeds your memory, your progress and your daily plan.
A course opens like a small space:
Nothing empty is shown. A teacher who runs a supervised space finds Try there: a trial session on what their students receive, which doesn't count anywhere, and the group's average coverage.
The whole space at a glance: what it asks of you today, where you stand, and what is coming.
Each tile names its folder — the space's, otherwise the one from the Library, with a dot in its colour. In a shared space you only see folders linked to the space, never another member's private filing.
Jin stays available on the right, as everywhere in the space. An empty space offers four doors: Photo or scan, PDF or document, YouTube video, Text. Each opens the usual import; the course created joins the space right away. You can also set an exam date, invite fellow students, or add a course from the Library.
Apart from the top row, this view is the same in a personal space, a space with friends, or a supervised space seen by a student. The owner of a supervised space sees the Monitoring tab instead, with the state of the group.
In a shared space, the header says whose it is (“Claire M.'s space · 3 members”) and shows all its members. The owner finds Invite there; a guest sees the Guest badge, their own progress, the owner's deadlines read-only, and can use Leave space — a discreet button at the very end of the header, to the right of the view switch. The members and this button stay in place on the Board, the Timeline and the Map.
What you are preparing in this space, and by when — one card per target, in the same visual language as the Board.
The owner of a supervised space also sees, inside the leading target's card, the students' memory on the day: the members' average, not shown with fewer than three measured students, with the courses that will not hold.
A target with no courses in its programme shows a dash, never a zero. With no target at all, the tab says so and offers to Add an exam or an objective: the button opens the creation window.
From a target's page, the ⋯ menu lets you edit or delete it. Deleting is final: its archived prediction and its result go with it — to fix a date or a title, edit it instead.
A deadline is what you are preparing, and for when. It is set inside a space, and it is what gives the daily plan a reason to exist.
Two kinds:
Both are prepared in exactly the same way. The word changes, the mechanism doesn't.
In a space, the + of the Deadlines block (or Add in the Programme tab) offers two actions: New exam and New objective. Each opens its own window, like Schedule in the agenda — where the space is then the first field.
You fill in:
As soon as you save, the whole space recalculates: the daily plan, the timeline strip, the Timeline view and the Map take the deadline into account, and the remaining work is spread across the days left.
Add them all, each with its date, label and duration. The nearest sitting drives the plan; the others are milestones shown on the timeline.
This is what avoids the classic mistake: with a single date, the plan dropped the preparation after the written paper, while the oral was still to come.
A sitting's duration is the real length of the exam. It sets the length of the mock exam.
When creating it, you tick the courses and folders concerned among those in the space. To change it later, open the deadline: the Programme card has its own Edit button.
Two useful shortcuts:
If the scope stays empty, there is no progress and no memory to measure — the screen says so rather than showing zero.
Yes, in a space with several people. The For whom field lets you tick the recipients.
Ticking nothing means “every member of the space”. People not concerned don't see the deadline in their daily plan.
Because an exam without courses prepares nothing. The space brings the three things preparation needs: the subject matter, the people concerned, and a scope to measure.
It is also what lets the daily plan decide between them: it compares deadlines that each cover a clearly defined set of cards.
Every morning, Memojin takes your available time and spreads it across your preparations in progress.
Two kinds of work appear:
On Home, the plan reads by space: each space shows the time it gets — and the time it lacks when your day is too short — and its cards to go, the ones its session will serve. Start a space in one click, or all of them with MemoBoost. Nothing is imposed: the plan recommends, you decide.
On Home, in Your session today, pick a duration in the Available list, above the bar of your day: it is saved immediately and applies for today only — your usual availability stays the same.
The plan recalculates immediately: each line's duration follows, and Jin tells you if time is short or if there is some left to get ahead.
In Your session today, Jin rereads your day every time you change your available time, with one goal: that your memory is as close to 100% as possible on the day of each deadline. It says one thing at a time:
When Memojin knows your predicted memory on the deadline day, Jin quotes it. Not today silences it until you next change your available time.
Each deadline asks for an amount of time, computed from what it has left to do and the number of days remaining. When the sum exceeds your budget, Memojin arbitrates: urgency wins, and time not consumed by one preparation is redistributed to the others rather than lost.
Your lever is the day's time: extend or reduce it in the bar of your daily session, and Memojin redoes the split at once. It never changes your cards' review dates: it sets the day's time, not the memory schedule.
The same card is never served twice in a day, even if it belongs to two overlapping deadlines: the loads shown therefore do not add up.
To see what lies ahead and how much time you have to prepare for it. Three views — Timeline, Calendar and Exams on the web, “Days”, “Month” and “Deadlines” in the mobile app:
You filter by type — targets, reminders, teacher reminders, reviews, spaces, holidays. On the web, the Today rail shows the day's study time in a ring (done, planned, free, and any overrun), what is left To do — each task, today's MemoBoost included, starts with a click on its tile — and a mini calendar to Navigate. The Study time button at the top of the agenda sets your availability.
In “I teach”, the agenda only shows the exams and objectives of the groups you supervise: no reviews, no daily load, and none of the exams you take as a learner. In “I'm learning”, never those of your groups.
The agenda never creates a session for you: it shows and recommends.
From the agenda → Study time, or from settings. Each day has its own row: a switch to turn it on, then a goal you adjust in fifteen-minute steps with the − and + buttons, or by typing the duration. The copy icon applies one day's goal to every active day.
That schedule is the basis for the plan's daily budget. A day switched off is a rest day: nothing is scheduled on it, and that is not an oversight.
Two ways, both under Study time.
School holidays are imported from the official calendar: pick your country, then your area, and tick “block my reviews” so nothing is scheduled during them. Each period becomes an event in your agenda, which you can then adjust or delete.
For everything else — a trip, a hospital stay, time off — declare an excluded period with its dates. The plan then spreads the work over the remaining days before the deadline instead of counting on days you will not be there.
From the calendar → Schedule → Reminder. You choose the label, the date and the space concerned.
Reminders appear in the calendar and trigger a notification. A teacher can also send you some: they then show up as teacher reminders.
Yes: a reminder can recur — every day, every week, or at the rhythm you set — and run until an end date.
Declared holiday periods are respected: an occurrence that would fall inside one is not scheduled.
An estimate of what you should still remember on the day of the exam, if you carry on at the current pace. It draws on the memory state of each of your cards and on the forgetting curve computed by FSRS.
Two caveats, which the screen itself points out:
The curve shown is what would happen if you never opened this space again before then. Every review lifts it.
To compare Memojin's predictions with reality. After a sitting, you enter your score — from the sitting's card in the agenda's results, on its own scale (14 / 20, 32 / 40… — the scale is picked from a list: /10, /20, /40, /60 or /100, /20 by default), which Memojin converts to a score out of 100: the gap between the predicted and the actual result is recorded.
Over several sittings you see whether the model over- or underestimates you, and by how many points on average.
Over one or two sittings it is an observation, not a trend — and the gap compares a percentage of memory with a mark: it points to a direction, not an exact measure.
The score is entered for an exam you sit. On a supervised group's exam, its page shows where the group stands, not the teacher's own preparation.
Jin reads the space's courses and your cards, and To repair keeps only what one click can fix: lessons with no cards at all. A button generates them, row by row or all at once, with the number of cards announced before you click.
If there is nothing to repair, the section does not appear: it will not list everything you have not learnt yet.
What already has cards but still needs work — never opened, barely touched, forgotten — is not something missing: it needs reviewing, and the session takes care of it.
An off-syllabus topic can be set aside — it isn't lost, it comes back in one click at the bottom of the list. And filled gaps stay on screen: the work done does not disappear.
The section relies only on your own courses: no past papers, no exam questions, no teacher's instructions. It shows what you have worked on, not what will come up. It requires content analysis by Jin to be enabled in the space's settings.
A session in conditions close to the real thing: the questions of the exam's programme, shuffled, one after another with no answers shown, over the length of the sitting — with a timer.
It starts from the exam's page, inside its space, with Simulate the exam. The button only appears when the upcoming sitting has a duration or a number of questions (set them in Edit, from the page's ⋯ menu): no duration, no timer. An empty programme means the whole space; questions set aside by the space's owner are left out.
At the end, the full breakdown is available: your answer, the correct answer, question by question. Open answers are marked by the AI.
It moves to past deadlines and stops asking for time. The memory you've built lives on: the cards remain in maintenance, so the work isn't lost.
You can also archive a deadline before its date, if it no longer applies. It is reversible in the sense that the history remains available.
It maintains, and it keeps you discovering. The daily plan then shows the So you don't forget line: the cards your memory is asking for, then new cards — each one will come back for review later, and the plan keeps room for it.
How many new cards a day? A new card is never seen just once: it comes back several times over the following weeks. So that those returns fit into your days, the plan introduces each day a fifth of what your daily time would let you see: 36 with 1 h, 18 with 30 min, never fewer than 3. The more time you give, the more you discover; the others wait for the following days, nothing is lost.
When new cards are waiting for the following days, Jin tells you how many you still have to discover today — or that today's are seen.
Still have time? Jin offers you more in Your session today: Review 20 more cards starts a session of extra new cards right away, and Open my space lets you review freely.
That is a legitimate way to work, not a fallback mode: plenty of people learn with no exam in sight. The day you set a deadline, the plan switches to preparation mode on its own.
Today's load comes from your plan of the day. For the days that follow, Memojin computes a forecast: it spreads, over the available days up to each deadline, the work that still remains — using the same availability as the one used for the plan.
This load is shown as “forecast” as long as the day hasn't arrived: it will change if you go faster or slower than expected, if you add or remove a deadline, or if you change your study time. It is never a commitment — only what the calculation would show today, applied to tomorrow.
Jin is Memojin's assistant. It doesn't just answer: it knows your courses, your progress and your deadlines, and turns them into useful remarks where they matter.
In practice, it can:
Everywhere, through the chat panel:
The panel can be pinned to stay open beside your work.
Select a passage: a menu offers to explain it simply, give an example, summarise it, generate related cards or create a card from it.
In conversation it also suggests next moves: read the summary, generate the cards, move on to reviewing, practise.
It answers from the lesson and from its general knowledge. It tells you when an answer draws on another of your courses.
It comments on what the screen shows, with the figures in view: the share of time a preparation takes, what the group average says, what is blocking, who has dropped off, where the gaps in the programme are.
Its analyses in a space depend on two settings: members can talk to Jin, and Jin analyses what's in the space. Turning the second off removes the gap diagnosis and the exam-day prediction; the plan can then only count cards to review.
Below its name, the Jin sees: chip tells you what it has in front of it — the space, or the course you just picked on the Board or the Map: that is what it will talk about.
To keep a useful answer. In the conversation, the save icon turns an answer into a note, attached to the open course.
You find those notes in the panel's Notes tab, course by course. They belong to you and are not shared.
Not to be confused with a space's notes, which are persistent messages addressed to members.
You can dictate your question: tap the microphone in the conversation panel, speak, and Jin transcribes it, then answers in writing, as for a typed question. It does not answer out loud.
Dictation itself costs nothing: only Jin's answer counts, as for a written message.
A few clear limits, worth knowing:
Jin settles into the right-hand column, next to the card. It can explain the card simply (the card's key words get highlighted), give an example or answer your question.
With Quiz me, it prepares three questions about this card: you answer first, then it corrects and explains. The card then comes back for a second verdict, and that last verdict is the one your memory keeps. These questions are not saved automatically: at the end of the session, you can keep them in your courses.
Each answer from Jin and each set of questions draws on your AI quota; the cost is shown on the button. You can also call on Jin for any card with Ask Jin, under “Report an issue”. Jin doesn't step in during a mock exam. To stop Jin stepping in on its own, untick “Jin helps me when I get stuck” in Settings.
Every plan includes a monthly volume of AI, shown as a single gauge in My profile: a percentage remaining, and its renewal date. The same gauge shows at a glance as a ring around your photo in the menu: it empties as you use your quota.
The quota renews automatically each billing period. What isn't used doesn't carry over to the next month.
Memojin announces the estimated cost before each expensive action: a coloured chip shows the share of the month it will take — “4%”, or “<1%” when it is negligible. Hover over it (tap it on mobile) to read the details. Memojin also warns you when the current pace will use up the gauge before renewal.
When you add a course, the Generation step shows everything on the gauge: the chip for this course sits on its share, hatched (preceded by “≈”, as it is an estimate; when you import a document, hover over it to see the share taken by reading it), and below it you see what you will have left afterwards. The values follow every box you tick or untick; with no box ticked, the gauge simply shows what you have left. If the course goes beyond what you have left, a message says so and Start waits until you untick an option (or move up to a higher plan).
The actions where a model works for you:
Reviewing, practising, creating cards by hand, organising your courses and your spaces cost nothing.
What you have used is detailed in My profile → AI quota usage: day by day, the course involved and what was produced (“34 cards”, “7 min”), with a filter by type (memo cards, questions, podcasts, Jin, imports).
Actions that call the AI are paused until renewal, whose date is shown to you. Everything else carries on:
If you regularly need more volume, the pricing page compares the plans.
A bonus of AI quota set aside for you.
It takes over automatically when the month's quota is exhausted — a badge shows it in the gauge. There is nothing to switch on, and the consumption order is decided so that nothing is wasted.
A course's language is chosen when it is created: the New course dialog has a Course language field, pre-filled with your interface language. Nothing stops you generating in German from a French interface — that is even the normal use case in a language course. You can also leave it on Detect automatically: the AI then works it out from the source.
Imports, however, do not ask for it. A course created from a text, a file, a YouTube video or an Anki deck arrives with its language Not set; only the AI method, the one that starts from a topic, has a selector of its own.
You can fix it afterwards from the Details, opened by the ⓘ button at the top of the page, next to the “…” menu: the language pill. That is the way to do it for an imported course, and it is best done before starting any generation.
The chosen language applies to the lesson, the summary, the cards and the questions produced from that source.
Correct it: everything the AI produces is editable as if you had written it. A card can be rewritten, deleted or given another difficulty; a lesson can be edited; a summary regenerated or touched up by hand.
If a generation gives a poor overall result, it is often quicker to run it again from a shorter source — the summary rather than the whole lesson — or to split the course into smaller pieces.
No. Your courses are used to answer you: to generate your cards and your summaries, and to feed Jin's answers about your subject.
Jin's searches through your courses are partitioned per user: it cannot read anyone else's, unless they are shared in a space you belong to.
Details of the processing are in the privacy policy, available from the user menu.
Yes, on iOS and Android. You can download it from the App Store and Google Play.
You sign in with the same account as on the web: with a 6-digit code sent by email, or with Google or Apple.
The essentials of your daily work:
The teaching tools — monitoring, groups, student profiles — stay on the web.
Yes, continuously and both ways. There is only one memory, one daily plan, one set of courses.
A card reviewed on the train counts immediately towards your preparation on the computer, and a MemoBoost started on one device is resumed on the other.
The app sends notifications for anything that calls for action or brings news: cards to review, streak at risk, a generation finished, a podcast episode ready, a teacher's reminder, an invitation to a space, a message received, a deadline approaching.
You allow them at first launch, and can then adjust them in the app's settings — or switch them off from your phone's settings.
Yes. A session's cards are cached on the device, and your answers are stored locally when there is no network.
As soon as the connection returns they are sent automatically, with the real time of the answer — so your memory is computed from when you answered, not from when it synchronised.
What needs the network stays unavailable offline: generating with AI, importing a document, talking to Jin.
Yes, through App Store and Play Store in-app purchases. The subscription is then managed by the store: that is where you cancel it or change your payment method.
A subscription taken on the web is available on mobile, and vice versa — it is the same account. However, a subscription bought on a store cannot be changed from the web: you have to go through the original store.
Teaching plans cannot be subscribed to from mobile.
After switching phones or reinstalling, the Restore purchases button at the bottom of the Choose a plan screen finds a subscription bought on the same store — and tells you if there is nothing to restore. A subscription managed elsewhere (on the web or on the other store) is shown in the app but cannot be changed there.
Yes, it's even the main use. The player stays available while you move around the app, and a playback bar shows the current episode.
From a space, the listening tab plays the episodes of shared courses one after another. You always pick up where you left off.
Memorun, the first game, is designed for mobile: a space's cards become a run you play, in short rounds.
It is coming soon — a space's Games tab tells you how many of your cards are already playable and lets you ask to be notified when it launches.
Yes, with four widgets, on iPhone (iOS 17 or later) as well as Android:
To add one: long-press your home screen, then search for “Memojin” in the widget list. On Android, Settings → Widgets in the app adds them directly. On iPhone, the session, streak and deadline widgets are also available for the lock screen.
Widgets show what the app has already received: they update when you open or leave it, never sign in to your account, and are cleared when you sign out.
Two ranges, to be read separately.
For learning:
For teaching:
The volume of AI, the number of spaces and the number of students included are detailed on the pricing page, which always shows the current values.
None in terms of features. Only the payment changes: every month, or once a year at a discount.
You can switch from one to the other in your subscription settings.
The trial gives access to every feature, with a deliberately limited AI quota, and no credit card required.
At the end nothing is deleted: your account moves to the free Start plan. Your courses, cards and progress stay in place; only the features of the higher plans are locked.
From My profile → Manage my subscription, or from the pricing page.
A scheduled change can be cancelled as long as it has not taken effect.
From Manage my subscription → Cancel subscription. It stays active until the end of the period already paid for, then your account returns to the free Start plan.
Nothing is erased: your courses, cards and progress stay available.
If you subscribed from the mobile app, cancellation is done in the App Store or Play Store settings.
When you come back from the payment page, Memojin shows a confirmation: your plan is active immediately, with its AI credits and its features.
If you picked your plan while signing up, the payment brings you back to your Home: the confirmation appears there as soon as your profile is complete.
A confirmation email is sent to you straight away, and the invoice appears in My profile → My subscription → View my invoices.
If you close the screen before the confirmation, your plan is activated as soon as our payment provider notifies us, or when you come back to the confirmation screen. You're never charged twice.
Yes, as long as Jin hasn't generated anything for you. You have 14 days after your order to cancel, without giving a reason: write to contact@memojin.com from your account's email address. We refund you in full within 14 days, to the payment method you used.
Before paying, you tick two boxes: acceptance of the Terms and Conditions of Sale, and I want to use my plan right away. With this second box, you give up your right of withdrawal as soon as Jin generates something for you (cards, a summary, an answer…). From then on, your subscription is no longer refundable; you can still stop its renewal at any time. An email confirms both consents after payment.
For a purchase made before 10 October 2026, the terms you accepted that day apply.
If you subscribed from the mobile app, the payment went through the App Store or Google Play: the refund has to be requested from them.
In My profile → My subscription → View invoices. Every invoice can be viewed and downloaded as a PDF, with its period and status.
For a subscription taken out on mobile, receipts are issued by the store — App Store or Google Play.
Invoices are issued by THE LAST COMMIT, the company that publishes Memojin. Prices include tax: for a payment in euros, the invoice shows the 20% French VAT they include. At checkout, your name and billing address are requested: they appear on your invoices. An invoice dated before 7 October 2026 no longer appears here: ask for it at contact@memojin.com.
So people can find you easily: share it, and the person can add you as a friend, then join your spaces.
It's in My profile → Invitations: tap the code to copy it.
At the top, your profile card: photo (tap the camera on it to change it), name, email, and as chips your plan, your role and how long you've been a member. Then:
Data export is in Settings → Privacy.
So the AI knows your level and produces something suitable: study cycle, level or year, institution, main subject, learning goal, weekly goal in minutes.
This influences the vocabulary of generated lessons, the difficulty of questions and Jin's tone. The same biology chapter isn't written the same way for a final-year school student and for a master's student.
Everything there is optional and can be changed at any time.
Sign-in works with a one-time code: there is no password to remember. If your account has one, My profile → Email and security → Change password sends a reset link to your address.
The email address itself cannot be changed: it is the account's identifier. Write to us through the contact form if you need to change it.
Yes, from My profile → Linked accounts. Once linked, you sign in with one click, without waiting for the emailed code.
On mobile, Apple sign-in is offered too.
In Settings → Notifications:
The bell in the header opens the notification centre, where each notification is marked read or unread. On mobile, push notifications can also be turned off in your phone's settings, and every email carries an unsubscribe link.
Yes. Settings → Privacy → Export my data produces a JSON file containing your profile, documents, lessons, memo cards, learning history, statistics and subscriptions.
This is the right to data portability under Article 20 of the GDPR. The export is available at any time, with no justification needed.
My profile → Deletion → Delete my account, with a confirmation to type.
The account is deactivated immediately, then permanently deleted after 30 days. During that window you can sign in again and reactivate it, with all your data.
Once the window has passed, everything goes: documents, courses, cards, learning history, remaining quota, and the subscription is cancelled. If you own supervised spaces, the screen tells you what will happen to them before you confirm.
Yes, within 30 days. Sign in again with the same address: Memojin takes you to the reactivation page, and your account comes back with all its data.
After that, deletion is final and nothing can be restored.
In Europe. The privacy policy details the processing, retention periods and your rights.
Your courses belong to you: they are not resold, and they are not used to train models. They are visible to other people only if you share them yourself in a space.
From the user menu → Legal documents, or in the site footer: terms of use, terms of sale, privacy policy, cookie policy and legal notice.
The cookie banner lets you review your choices at any time.
Every email carries an unsubscribe link at the bottom. It opens a page where you confirm, without having to sign in.
Messages strictly tied to your account — sign-in code, invoice, account deletion — carry on being sent: they are not marketing.
Yes, 13. Between 13 and 16, the consent of a parent or legal guardian is required, in accordance with Article 8 of the GDPR: Memojin asks for it explicitly at sign-up.
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