7 Best Flashcard Apps for Android in 2026

Flashcards work because of two proven ideas: active recall (your brain retrieves the answer instead of re-reading it) and spaced repetition (each card returns just before you'd forget it). But picking an app isn't about the prettiest cards — it comes down to three questions most lists never ask: who makes the cards (you, an AI, or a stranger's public set?), what the free tier really limits, and whether you can take your decks elsewhere.

1. AnkiDroid — best overall, free forever (4.75)

Anki is the gold standard for spaced repetition, and its Android app — AnkiDroid (4.75, 165,120 reviews) — is completely free and open source. It now ships with the FSRS scheduler built in, trained on hundreds of millions of reviews, so each card's next review is predicted from your actual memory, not a fixed formula. Massive shared decks (the AnKing med-school deck has 30,000+ cards), image occlusion, cloze deletion, and full offline support round it out. About 86% of US medical students use Anki — a 2026 systematic review linked regular use to 4–13 point USMLE gains. The trade-offs: a steep learning curve and a dated interface. Best for anything you must remember for months or years. Get AnkiDroid on Google Play.

2. Knowt — best free Quizlet-style alternative (4.5)

Knowt became the biggest free flashcard app of 2026 by being what free Quizlet used to be: unlimited Learn mode, spaced repetition, AI card generation from notes and videos, practice tests, and one-click import of your existing Quizlet sets — all on a free Basic tier (~4.5, 8,000 reviews, 500K+ downloads). The catch, per long-term users: some previously free features have crept behind the paywall, and the free tier now shows ads. Still, for zero-cost studying with the least setup pain, it is the strongest pick. Get Knowt on Google Play.

3. Quizlet — biggest library, shrinking free tier

Quizlet remains the household name with the largest pre-made set library — for common courses, a decent set usually exists. But the free tier has narrowed: Learn mode is effectively a subscriber feature (limited free rounds per set), ads run throughout, and exporting your own sets is restricted. Quizlet acquired the lecture-recording app Coconote in February 2026, folding audio-to-flashcard into its pipeline. Best when you need one pre-made set for tomorrow's quiz, not a multi-year study system.

4. RemNote — best notes + flashcards hybrid

RemNote turns note-taking and card-making into one step: write a line of notes, mark it as a card, and it enters your review queue. Unlimited notes and flashcards on unlimited devices on the free tier, with spaced repetition, PDF annotation, and image occlusion built in. The catch is complexity — it's a full knowledge base, so casual users can find it heavy. Best for university students who live in their notes.

5. Brainscape — best for certifications

Brainscape's distinctive confidence-based repetition — you rate your confidence 1 to 5 after every card — is gentler and more intuitive than Anki's system. Its strength is the catalog of expert-built, certified decks for professional exams (MRCP, JLPT N5, Praxis, and more), updated regularly. The free tier covers your own cards forever; certified decks and power features need Pro. Best for professionals studying for a specific certification exam.

6. Scholarly — best AI cards from your own PDFs

Scholarly generates editable flashcards from your actual study material — PDFs, lecture recordings, YouTube videos, websites — then schedules them with SM-2 spaced repetition, ad-free even on the free plan. The free plan's AI allowance is tiny (one lifetime generation, one lifetime upload), so treat it as a demo unless you pay. Best when you have the documents and no time to type cards by hand.

7. Laxu AI — cheapest AI flashcard generator

Laxu AI uploads your PDFs, slides, or audio and generates flashcards plus a quiz in under a minute, then exports the deck to Anki's open .apkg format so Anki's FSRS handles long-term scheduling. At around $4.99/month, it is the cheapest AI flashcard tool with Anki export. Best as part of the generator-plus-Anki workflow many serious students now use.

Quizlet's Free-Tier Decay: A Short History

If you grew up on free Quizlet, what happened matters more than which app you pick next. The timeline, assembled from multiple 2026 comparison reviews:

• 2022: Quizlet removed direct set export to protect subscriptions — your study sets became a hook, not your property. That same year, Learn and Test modes moved behind Quizlet Plus, and roughly 3 million students migrated to Knowt's one-click import.
• 2025: Quizlet killed Q-Chat, its AI tutor, with no public explanation. Trustpilot sits around 1.4/5, mostly billing complaints.
• 2026: Quizlet acquired Coconote (Feb 13) for audio lecture capture. Learn mode is officially a subscriber feature with a limited number of free rounds per set; a higher tier above Plus now exists.

The pattern is worth naming: an app that tightens free access once will do it again. Any flashcard tool you choose deserves the export test below before you build a 5,000-card archive in it.

The Export Test: Can You Leave?

Run this 2-minute check on any flashcard app before committing a semester:

1. Make a test deck with 5 cards, including one image.
2. Export it. What format do you get? Anki's .apkg is the gold standard — open, readable by dozens of apps. A locked or paywalled export is a red flag.
3. Import that file into a different app. If your cards arrive intact, you own your work.

Anki passes effortlessly. Laxu AI and Scholarly export to .apkg (paid tiers). Quizlet's export has been gated behind paid tiers in the past — which is exactly why you check before building, not after.

Free Tiers Compared Honestly

Export ownership matters more than people think. Anki's open format means your five-year deck survives any company's pricing change. Apps that gate export have, historically, tightened the gates over time — plan accordingly.

How to Actually Study With Flashcards

The app is only half the equation. Keep each card to a single fact or concept — cramming a paragraph onto one card defeats active recall, because the brain recalls chunks, not walls of text. Make 10–20 new cards a day, not hundreds the night before the exam. Review whatever the app schedules each day, even just ten minutes: the spacing algorithm only works if you show up consistently. And be skeptical of giant shared decks — reviewing cards you didn't make (and may not understand) is far less effective than making your own.

How to Pick

• Retaining thousands of facts for years (med school, languages)? AnkiDroid.
• Free and familiar, coming from Quizlet? Knowt.
• One pre-made set for tomorrow's quiz? Quizlet.
• Notes and cards as one document? RemNote.
• Professional certification? Brainscape.
• PDFs you won't type by hand? Scholarly or Laxu AI → export to Anki.

Pair your flashcards with a proper planning system — spaced review works best when your study sessions are scheduled, so check our outliner apps or mind mapping apps to organize what you're learning before you start memorizing it.

Frequently Asked Questions

What is the best flashcard app for Android?

AnkiDroid is the best overall (4.75, 165,000+ reviews) — free, open source, with the best spaced-repetition scheduling. Knowt is the best free Quizlet-style alternative with unlimited Learn mode. Quizlet has the biggest pre-made library but gates Learn mode behind a subscription.

Is Anki free on Android?

Yes. AnkiDroid is completely free on Android and open source. Anki is also free on desktop and the web; only the iOS app is a paid one-time purchase.

What happened to Quizlet's free tier?

Quizlet narrowed its free tier over the years: Learn mode is now a subscriber feature with a limited number of free rounds per set, and the free experience includes ads. Basic flashcard flipping and Match remain free.

Can I move my flashcards from Quizlet to another app?

Knowt imports Quizlet sets directly, and Scholarly can import from Quizlet, Anki, and other sources. Anki uses the open .apkg format that the whole ecosystem can read. Check each app's import page for current formats.

Should I use AI-generated flashcards?

AI generation saves hours of typing, but always review every card before studying — a wrong definition studied hard is worse than no card. The most effective setup is a generator plus Anki: AI drafts the deck, Anki's FSRS schedules it. One underused trick: generate cards from material you got wrong on a quiz, not from the whole chapter — studying your gaps is far more efficient than re-reading everything.