What App Turns Notes Into Flashcards? 7 Tools Compared
If you want an app that takes notes you already wrote and produces flashcards from them, the main options are Quizlet (Magic Notes), Knowt, RemNote, and Anki with an import add-on. Quizlet and Knowt are the fastest if you have typed or pasted text. RemNote is the best fit if you want the notes and the cards to live in the same document. Anki is the best fit if you care most about the review scheduler and want to own your deck forever.
Which one is right depends less on the generation quality, which is broadly similar across the paid tools now, and more on what your notes actually look like: typed text, a PDF, a photo of a page, or a recording of a lecture.
The shortlist
| App | Input it handles best | Where the cards end up | Free tier |
|---|---|---|---|
| Quizlet | Typed or pasted text, PDFs, some images | Quizlet study sets | Yes, with limits on the AI features |
| Knowt | Typed notes, PDFs, video and lecture links | Knowt notes and sets | Yes, generous |
| RemNote | Notes you write inside RemNote, PDFs | Inline in your own notes | Yes, with a Pro upgrade |
| Anki | Text files, CSV, add-on imports | A local deck you own | Free everywhere except iOS |
| Goodnotes | Handwritten notes on iPad | Study sets inside the app | Limited free use |
| Obsidian + spaced repetition plugin | Markdown notes you already keep | Your own vault files | Free |
| Qora | A photo of a page, a recording, or text you type on iPhone | A short lesson plus questions on your phone | Free to try, Pro subscription |
The three ways an app can do this
Understanding the mechanism tells you which tool will disappoint you.
1. Paste text, get cards. You give the app a block of text and it writes question and answer pairs. Quizlet's Magic Notes and Knowt both work this way. It is fast, and it is the closest thing to a one click answer. The quality tracks the quality of your notes: clean definitions in, clean cards out.
2. Write notes in a format that is already a card. RemNote and Obsidian with the spaced repetition plugin do this. You type a line, mark it, and it becomes reviewable. Nothing is "converted" because the note was the card all along. Slower to write, much better cards, and no drift between what you studied and what you review.
3. Read something that is not text yet. A photo of a textbook page, handwriting, a lecture recording. This needs OCR or speech to text before anything else can happen. Goodnotes handles handwriting on iPad. Qora is built around this case on iPhone: you photograph the page or record the class, and it turns that into a short sectioned lesson plus questions drawn from that material, including multiple choice, fill in the blank, written answer, and open recall. The text extraction happens on the device, so the photo and the audio stay on your phone and only the text is sent for generating the lesson. There is no account, and your notes and progress stay local.
If your material is already typed, category three is overkill. If your material is a stack of photographed pages, categories one and two will not help you until you have retyped everything.
How to choose, in order of what actually matters
Start with your input. This eliminates half the list immediately. Handwritten iPad notes point to Goodnotes. Markdown you already keep points to Obsidian. Photos of textbook pages point to a phone app with on device OCR. Typed notes in a doc point to Quizlet or Knowt.
Then check the scheduler. Generating cards is the easy half. Showing them to you at the right interval is the half that decides whether you remember anything in three weeks. Anki ships with FSRS, which is the most sophisticated scheduler in consumer study software, and it is free. Most other apps use simpler intervals. If you are studying for something months away, the scheduler is worth more than the generation feature.
Then check the exit. Can you export? Anki decks and Obsidian markdown are yours. Quizlet sets can be exported as text. Knowt can import Quizlet sets, which is genuinely useful. Some apps have no export at all. If you are building a deck you will use for two years, do not build it somewhere you cannot leave.
Then check what leaves your device. Any app that generates cards with an AI model is sending your text to a server. That is a fair trade for most class notes. It matters more if your material is a photo of something you would rather not upload, or if you are on a shared or supervised account. Check whether images and audio are uploaded or processed locally, and whether an account is required at all.
Price last. The free tiers of Knowt and Anki are good enough that price is rarely the deciding factor. Anki is free on desktop and Android and a one time purchase on iOS.
A workflow that works with any of these
- Convert one chapter, not your whole semester. Generating 400 cards in one click creates a review backlog you will abandon in four days.
- Read every generated card once and delete the bad ones. Expect to cut a third of them. This pass takes ten minutes and is the difference between a deck that works and a deck you avoid.
- Rewrite any card whose answer is longer than one line. Long answers cannot be graded honestly.
- Review the same day you generate, then let the scheduler take over.
- When you get a card wrong twice, do not just press again. Go back to the source note and find out why the idea did not stick. The card is a symptom.
Where these tools fall down
Auto-generated cards are biased toward recognition. An app reading your notes will reliably produce "What is X?" and reliably fail to produce "Why does X fail when Y is true?" The first kind you can answer without understanding anything. If your exam asks the second kind, generated cards will make you feel prepared while leaving you unprepared, which is worse than knowing you have not studied.
Flashcards in general are a poor fit for procedural subjects. Math derivations, proofs, essay structure, code you have to write from scratch, lab procedures: these need you to produce a whole sequence, and a card that asks for one step of it teaches you the step out of context. Use cards for the vocabulary, the formulas, and the definitions inside those subjects, and use worked problems for the rest.
Cloze deletion from your own sentences has a specific trap. If the card blanks out a word from a sentence you wrote, you often recall the sentence rather than the concept, and you will not notice the difference until the exam phrases it another way.
And handwriting recognition is still imperfect. Diagrams, chemical structures, and dense equations come out wrong often enough that you have to check them, which removes most of the time you saved.
Where to start
If your notes are typed, try Knowt first because the free tier is generous, then move to Anki if you get serious enough to care about scheduling. If your notes are handwritten or on paper, you need something that reads images before it can make anything, so start there instead. Pick one chapter you actually have to know by next week, run it through one app tonight, delete the bad cards, and review it twice. You will learn more about which tool fits you from that one chapter than from any comparison table, including this one.