Learning & Education·Standings

Compare Spaced Repetition Software

Spaced repetition software helps you review information on a schedule; choose by its review algorithm and the platforms you need.

This board compares a signal score out of 10, plus marks for a public API, open-source code and a free tier. It also lists review limits, offline access, mobile apps, rich media cards, educator tools and shared decks.

• 38 platforms
• 25 with a free tier
• Checked 10 Oct 2026

1. #PlatformSignalPlugs inPrice
2. 1
   S

   SuperMemosupermemo.com

   A spaced-repetition app for web, mobile and desktop, with an API; paid plans start at 35.99 PLN monthly.

   6.7 APIOpenFree Free tier
   →
3. 2
   M

   Mochimochi.cards

   A flashcard app with adaptive reviews and a free plan; paid plans start at $5 monthly on an annual plan.

   6.7 APIOpenFree Free tier · from $5/mo
   →
4. 3
   G

   Gizmogizmo.ai

   Gizmo is an AI learning platform using adaptive flashcards and spaced repetition to improve study and retention.

   6.6 APIOpenFree Free tier
   →
5. 4
   B

   Brainscapebrainscape.com

   Brainscape is a web and mobile flashcard platform that uses adaptive spaced repetition, active recall and confidence self-assessment to improve retention.

   6.6 APIOpenFree Free tier · from $7.99/mo
   →
6. 5
   N

   Nibomonibomo.com

   A free web and mobile flashcard app with adaptive reviews and basic card formats.

   6.6 APIOpenFree Free tier
   →
7. 6
   FW

   Flashcards Worldflashcards.world

   A flashcard app with a free plan that can make cards from uploaded sources and generate AI flashcards.

   6.6 APIOpenFree Free tier
   →
8. 7
   V

   Vaiavaia.com

   A free study tool for web and mobile that adjusts review and supports different materials and study methods.

   6.5 APIOpenFree Free tier
   →
9. 8
   R

   RemNoteremnote.com
   6.4 APIOpenFree Free tier · from $8/mo
   →
10. 9
    A

    Ankiapps.ankiweb.net

    A flashcard app that prioritizes difficult material, with media cards, adjustable reviews and a free plan.

    6.2 APIOpenFree Free tier
    →
11. 10
    FD

    Flashcards Deluxeorangeorapple.com

    A study app with optional spaced reviews, quizzes, media cards and spreadsheet or text-file imports.

    6.0 APIOpenFree Free tier · $4.99 one-time
    →
12. 11
    K

    Knowtknowt.com

    A flashcard app with a free plan that can make AI summaries and flashcards; paid plans start at $12.99 monthly.

    5.9 APIOpenFree Free tier · from $12.99/yr (lower tiers unpriced)
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13. 12
    P

    PupilBotpupilbot.com
    5.5 APIOpenFree Free tier
    →
14. 13
    RM

    Remember Meremem.me

    A free flashcard app for web, desktop and mobile, with adaptive reviews and offline access.

    5.3 APIOpenFree Free tier
    →
15. 14
    M

    Mnemosynemnemosyne-proj.org
    5.2 APIOpenFree Free tier
    →
16. 15
    R

    Repetitionsrepetitionsapp.com

    A free flashcard app for mobile, desktop and web, with adaptive reviews and media cards.

    5.2 APIOpenFree Free tier
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17. 16
    M

    Memorangmemorang.com

    A flashcard app with a free plan, adaptive reviews, media cards and shared decks.

    5.1 APIOpenFree Free tier
    →
18. 17
    NL

    Notum Learnnotumlearn.com

    A free flashcard app with adaptive reviews, offline access and media cards.

    5.1 APIOpenFree Free tier
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19. 18
    B

    Brainybrainylearn.app
    5.1 APIOpenFree Free tier
    →
20. 19
    FH

    Flashcard Heroflashcardhero.com
    5.1 APIOpenFree Free tier
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21. 20
    N

    NeuraCacheneuracache.com
    5.1 APIOpenFree Free tier
    →
22. 21
    T

    Traversetraverse.link

    A mobile and web flashcard app with adaptive reviews, media cards and shared decks.

    5.1 APIOpenFree Free tier
    →
23. 22
    B

    Burblyburbly.app

    A free web and Android flashcard app with adaptive reviews, offline access and shared decks.

    4.9 APIOpenFree Free tier
    →
24. 23
    RC

    repeat.cardsrepeat.cards

    A free Android and web flashcard app with adaptive reviews and media cards.

    4.9 APIOpenFree Free tier
    →
25. 24
    R

    Revurevu.cards

    A web and Mac flashcard app with adaptive reviews, offline access and shared decks.

    4.9 APIOpenFree Free tier
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26. 25
    IS

    iDoRecall (SmarterHumans.ai)smarterhumans.ai

    A web flashcard app with adaptive reviews, media cards and a free plan; paid plans start at $96 yearly.

    4.8 APIOpenFree Free tier
    →

Places #1, #2, #3, #4, #5 on this board are open to sponsors. Take #1 · Other ways to advertise

How to choose

How does the review algorithm work?

Compare the review algorithm and daily review limit. These affect how the software schedules study and how much reviewing you can do in a day.

Which devices can I use?

Check the platform marks against the devices you use. Listed platform options include web, Android, iOS, macOS, Windows and Linux.

If you study without a connection, check whether offline access is available.

What study features should I compare?

Compare rich media cards, educator tools and shared deck libraries if you need those features. The listings may differ in which options they provide.

Can I use spaced repetition software for free?

Check the free-plan and free-trial details, then compare the paid starting price when one is listed. A free plan and a free trial are different options.

Does it have an API or open-source code?

Check the API and open-source marks if you need software that can connect to other tools or whose code you can inspect or change. An API is a way for software to exchange information.

Questions

What is spaced repetition software?

It is software for reviewing information on a schedule. Compare its review algorithm, daily review limit, supported platforms and study features.

Which spaced repetition app has a free plan?

The board marks whether a free plan is available. Anki, Brainy and Burbly are examples with a listed free plan.

Can I use spaced repetition software offline?

Offline access is one of the compared features. Check the individual listing to see whether it is supported.

What devices support spaced repetition apps?

The listed platform options include web, Android, iOS, macOS, Windows and Linux. Check a tool's listing for its supported platforms.

Do spaced repetition apps have shared decks or educator tools?

Shared deck libraries and educator tools are compared features. Check the listing for the software you are considering.

Some top positions on this board can be paid placements, standing where they were sold. The facts on each platform are not for sale. How we rank · Disclosure