What makes an AI flashcard good
A good flashcard asks for one thing. "What does ACE convert angiotensin I into?" has one answer. "Explain the renin-angiotensin system" has a page of them, and you'll grade yourself generously on it every time. AI generators tend to fail in exactly this direction, because squeezing a paragraph into one card is easier than splitting it into five. There's more on the craft in how to write better flashcards.
The second test is faithfulness. A card should say what your course says, in its terms and at its level of detail. Generators that read your own slides or recordings start with an advantage over ones that lean on general knowledge, but only if you can check a card against the passage it came from.
The third is what happens once the deck exists. A pile of good cards reviewed at random is still a pile; flashcards work when each one comes back just before you'd forget it, and the spaced repetition guide explains why. So for each app below we looked at three things: what its AI reads, how it schedules review, and what it costs to use properly. We didn't score anything out of ten. Each entry says what that app is best for.
Seven apps, and what each is best for
Skolight
Best for decks made from your own lectures
Skolight drafts cards from whatever you add to a course space: slides, PDFs (scanned ones included), Word files, captioned YouTube videos, web pages, or a lecture recorded in the browser. Because the deck comes from that material, Skolar, the built-in tutor, can explain any card and cite the passage behind it, which makes the faithfulness check quick.
Review runs on an SM-2-style scheduler graded with the keys 1 to 4. The same space also makes quizzes, timed mock exams and notes, so the flashcards are one part of getting ready for an exam rather than the whole method.
Why pick it
- Reads files and recordings directly, so there's nothing to copy and paste.
- Each card can be traced to your material through the tutor's citations.
- Quizzes and mock exams come from the same source as the cards.
Before you do
- No deck import or export, and no public library of other people's decks.
- The scheduler has no settings to adjust.
- It runs in the browser only, needs a connection, and the free plan makes 3 flashcard sets a day.
Anki
Best scheduler, if you'll write the cards
Anki isn't an AI flashcard maker, and it's here for that reason. Its core apps have no AI at all; you write cards or download them.3 In return you get the most configurable scheduler on this page, including FSRS, an opt-in algorithm that learns from your own review history.4
Anyone who wants AI help inside Anki has to look elsewhere. AnkiHub sells it separately: its paid plans add an AI chatbot and collaborative decks, and it's a different company's product.5
Why pick it
Quizlet
Best for finding a set someone already made
Quizlet's AI turns notes, PDFs, Word and PowerPoint files, photos or audio into a study guide with a linked flashcard set.9 Its bigger asset is the public library: for a common course, the set you need probably exists, and copying it to edit takes seconds.10
Proper scheduling only arrived in August 2026, on the web, with four ratings and a setting for new cards per day.11 Learn and practice tests are metered on the free plan and on Plus; Plus Unlimited removes the caps.12
Why pick it
Knowt
Best free study modes for your own sets
Knowt gives away what others meter. Learn, Practice Test, Spaced Repetition and Match are all free on your own sets, and its spaced repetition uses Again, Hard, Good and Easy ratings with a daily new-card limit.1415
The AI is where the free plan stops. Turning a PDF, video or lecture into notes or cards uses an AI summary, and free accounts get one a month.16 Student Ultra, at $149.99 a year, makes them unlimited.17
Why pick it
Gizmo
Best for turning review into a daily habit
Gizmo's Magic Import makes cards from PDFs, recordings, photos, PowerPoint, spreadsheets and websites, and it offers more card shapes than most: matching, ordering, fill-the-blank and image cards as well as plain questions.2122
Review is built as a game, with hearts you lose for wrong answers, XP, leagues and streaks.23 For anyone whose trouble is consistency rather than cards, that design is the whole point.
Why pick it
RemNote
Best for cards written inside your notes
RemNote's AI lives inside a note-taking app. Guided Learn turns a PDF, Word file, slides, YouTube video or web page into summaries, flashcards and section quizzes, and the lecture recorder does the same from live audio.2829
Cards are written in your notes rather than in a separate deck, and you can choose SM-2 or the FSRS beta folder by folder.30 Every AI action spends credits from a monthly allowance, which is smallest on the free plan.31
Why pick it
Brainscape
Best for certified exam decks
Brainscape's AI makes cards from pasted text, Word files, slides, photos and spreadsheets; for a PDF or a YouTube video, you paste in the text or transcript.36 Flashcard Copilot can then rework a single card into a clearer question, one card at a time and only when you approve.37
Its strongest material isn't AI-made at all: certified decks for professional exams, studied by rating how confident you are from 1 to 5.38 Free accounts can study 2,500 of those pre-loaded cards.39
Why pick it
The details side by side
| Feature | Skolight | Anki | Quizlet | Knowt | Gizmo | RemNote | Brainscape |
|---|---|---|---|---|---|---|---|
| Makes study aids from your files | Skolight Yes. PDFs (scanned too), Word, PowerPoint, text and LaTeX files, captioned YouTube videos, web pages, audio and live lectures.2 | Anki No. No AI: you write cards yourself or download shared decks.3 | Quizlet Yes. Notes, PDFs, Word and PowerPoint files, photos or audio become study guides and flashcards.9 | Knowt Yes. PDFs, slides, images, videos and YouTube, Canvas or Drive links; 1 a month free, unlimited on Ultra.16 | Gizmo Yes. Magic Import: PDFs, recordings, notes, photos, PowerPoint, spreadsheets and websites.21 | RemNote Yes. PDFs, Word, PowerPoint, YouTube, audio, web pages and live lectures, paid in AI credits.28 | Brainscape Yes. Cards from pasted text, Word, PowerPoint, photos and spreadsheets; PDFs and YouTube via pasted text.36 |
| Flashcards | Skolight Yes. Decks written from your material, graded Again, Hard, Good or Easy.42 | Anki Yes. Basic, cloze and image occlusion cards, with images, audio, video and MathJax.7 | Quizlet Yes. Term and definition cards with images, audio and text-to-speech; sort into Know and Still learning.43 | Knowt Yes. Cards with images, recorded audio, custom hints and custom multiple-choice options.44 | Gizmo Yes. Q&A, multi-select, fill the blanks, ordering, matching, true/false and image cards.22 | RemNote Yes. Written inline in notes: Q&A, cloze, image occlusion, list and LaTeX cloze cards.32 | Brainscape Yes. Text cards free; images, audio, reversed cards and private decks need Pro.39 |
| Spaced repetition | Skolight Yes. SM-2-style scheduling. Review what's due, the whole deck, or only your misses.42 | Anki Yes. SM-2, or FSRS, which you switch on in deck options and fit to your own reviews.4 | Quizlet Yes. Web only, added August 2026: rate cards Repeat, Hard, Okay or Easy; set new cards per day.11 | Knowt Yes. Free on your own sets: rate cards Again, Hard, Good or Easy, with a daily new-card limit.15 | Gizmo Yes. Memorise mode times each card's return; the algorithm isn't named and has no settings.25 | RemNote Yes. SM-2 by default; FSRS v6 is an opt-in beta, and schedulers can be set per folder.30 | Brainscape Yes. Rate each card 1 to 5 for confidence; Brainscape's own algorithm sets the repeats.38 |
| Imports existing decks | Skolight No. Can't import Anki or Quizlet decks. Add the source material and it writes new cards.42 | Anki Yes. Anki .apkg packages, CSV or TSV text and Mnemosyne 2.0; no Quizlet importer in its docs.45 | Quizlet Partly. Paste term and definition text with your own separators, on the web only.46 | Knowt Yes. Quizlet sets via its Chrome extension or pasted export text; Quizlet has blocked it at times.18 | Gizmo Yes. Quizlet sets by URL and Anki decks through Magic Import; the Anki file format isn't stated.21 | RemNote Yes. Anki (with review history), Quizlet, Notion, Obsidian, Markdown and CSV.47 | Brainscape Yes. CSV, TSV, text and spreadsheet files, or pasted question-and-answer lists.48 |
| Library of shared sets | Skolight No. No public library of other people's decks. Share links for notes, chats and groups.2 | Anki Yes. Thousands of free shared decks on AnkiWeb, downloadable on desktop and phone.49 | Quizlet Yes. Its main strength: a large public library of user-made sets you can study, copy and edit.10 | Knowt Yes. Its plans page offers 5 million resources to browse, on the free plan.17 | Gizmo Yes. Public decks other users can find; its App Store listing claims over 1,000,000.50 | RemNote Yes. A RemNote Community where users publish documents and course materials.51 | Brainscape Yes. Certified exam decks plus community decks; Free can study 2,500 pre-loaded cards.39 |
| Phone and desktop apps | Skolight Partly. Works in any browser, with a layout built for phones. No native app.2 | Anki Yes. Free desktop and Android apps; AnkiMobile for iPhone and iPad is paid.3 | Quizlet Yes. Native iPhone, iPad and Android apps; no desktop app, so computers use the website.13 | Knowt Yes. Native iPhone, iPad and Android apps that sync with the web.52 | Gizmo Yes. iPhone, iPad and Android apps plus the web; no Mac or desktop app is listed.50 | RemNote Yes. Desktop apps for Windows, Mac and Linux, plus iPhone, iPad and Android.35 | Brainscape Yes. Native iPhone, iPad and Android apps; on a computer you use the web app.41 |
Find your starting point
Answer the questions above to see which tool fits.
Check an AI deck in ten minutes
Step 1: Read ten cards at random
Not the first ten, which tend to be the cleanest. If two of the ten have problems, go through the whole deck.
Step 2: Split any card with more than one answer
A card that asks for a list or a process needs breaking up: one cue, one answer. Grading a five-part card honestly is close to impossible.
Step 3: Check numbers and names against the source
Doses, dates, units and spellings are where generators slip. Open the slide or page the card came from; in Skolight, ask Skolar and follow its citation.
Step 4: Cut what your course doesn't cover
An AI deck can turn a side remark into a card as if it were core material. If your lecturer skipped it, you can too.
Step 5: Add the card it missed
Generated decks often miss the point your lecturer said would be on the exam. Write that one yourself; writing it is practice in its own right.