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Education · head to head

Anki vs Khan Academy

Anki logo

Anki

Education

Free open source spaced repetition flashcard app, free everywhere except iOS where it is a paid one-time purchase

From
Free
Rated
-
Full reviewWebsite
Khan Academy logo

Khan Academy

Education

Free world-class education for anyone, anywhere

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Anki the interface is functional rather than polished, and new users often find the initial setup, deck creation and add-on ecosystem confusing compared with a guided app like Memrise.; Khan Academy the Internet Archive's capture of Khan Academy's homepage on 1 January 2021 stated it is a 501(c)(3) nonprofit and that its full library of practice and lessons 'is all free for learners and teachers', funded by donations rather than subscriptions.
  • They diverge on capability: Anki covers Spaced repetition scheduling, Khan Academy covers Video lessons.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Anki and Khan Academy actually diverge.

Attributes where Anki and Khan Academy differ
AttributeAnkiKhan Academy
Pricing modelOpen source, no licence fee except a paid iOS appfree
PlatformsWindows, Mac, Linux, iOS, Android, WebWeb, IOS, Android
FoundedUnknown2008

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Education).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Anki

  • Spaced repetition scheduling
  • Cross-platform sync
  • Shared deck library
  • Custom card types
  • Add-ons
  • Open file format

Only in Khan Academy

  • Video lessons
  • Practice exercises
  • Mastery system
  • Progress tracking
  • Personalized learning
  • Teacher tools
  • Parent dashboard
  • Test prep

What people use each for

The jobs each tool is most often brought in to do.

Anki

  • A medical student using a large shared deck to memorise anatomy or pharmacology facts on a fixed exam timelinenot Khan Academy
  • A language learner building custom vocabulary decks with audio and images tailored to their own study materialnot Khan Academy
  • A self-directed learner who wants full control over the scheduling algorithm and does not want a subscriptionnot Khan Academy
  • An iPhone-only user deciding whether the one-time AnkiMobile price is worth it versus using the free web interface insteadnot Khan Academy

Khan Academy

  • Free self paced learning across maths, science and humanitiesnot Anki
  • Assigning practice and tracking student progress in a classroomnot Anki

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Anki

  • The interface is functional rather than polished, and new users often find the initial setup, deck creation and add-on ecosystem confusing compared with a guided app like Memrise.
  • iOS users pay a one-time fee of around $24.99 to $29.99 for AnkiMobile while every other platform is free, which is an unusual asymmetry that surprises new users comparing app store prices before they understand it funds development.
  • Anki has no content of its own; a new user gets an empty deck and either has to build cards manually or trust the quality of a community-shared deck of unknown accuracy.
  • The default scheduling algorithm requires understanding concepts like ease factor and interval to tune effectively, and default settings are not optimal for every subject or workload.
  • Shared decks, especially large medical school decks, can carry factual errors or become outdated, and there is no editorial review process verifying their accuracy.

Khan Academy

  • The Internet Archive's capture of Khan Academy's homepage on 1 January 2021 stated it is a 501(c)(3) nonprofit and that its full library of practice and lessons 'is all free for learners and teachers', funded by donations rather than subscriptions.

Pricing, plan by plan

Anki

Free
  • AnkiFree
    • Desktop apps for Windows, Mac and Linux are free and open source
    • AnkiDroid on Android is free and open source, built by a separate volunteer team
    • AnkiMobile on iOS is a one-time purchase, commonly $24.99 to $29.99, funding development

Khan Academy

Free
  • FreeFree
    • Video lessons
    • Practice exercises
    • Progress tracking

Which should you pick?

Choose Anki if

  • You need spaced repetition scheduling.
  • You want to start without paying.
  • You work on Windows, Mac, Linux, iOS, Android, Web.
  • You also want cross-platform sync.
Anki review

Choose Khan Academy if

  • You need video lessons.
  • You want to start without paying.
  • You work on Web, IOS, Android.
  • You also want practice exercises.
Khan Academy review

Questions people ask

Is Anki or Khan Academy better?
Neither clearly leads. Anki starts at Free and Khan Academy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Anki or Khan Academy?
Anki starts at Free and Khan Academy at Free.
Does Anki or Khan Academy run on more platforms?
Anki runs on Windows, Mac, Linux, iOS, Android, Web. Khan Academy runs on Web, IOS, Android.
Can I use Anki for free?
Both have a free tier, so you can try either at no cost before committing.
What is Anki best used for?
Anki is most often used for a medical student using a large shared deck to memorise anatomy or pharmacology facts on a fixed exam timeline, a language learner building custom vocabulary decks with audio and images tailored to their own study material, a self-directed learner who wants full control over the scheduling algorithm and does not want a subscription, an iphone-only user deciding whether the one-time ankimobile price is worth it versus using the free web interface instead. Of those, a medical student using a large shared deck to memorise anatomy or pharmacology facts on a fixed exam timeline and a language learner building custom vocabulary decks with audio and images tailored to their own study material are not what Khan Academy is typically brought in for.
What can Anki do that Khan Academy cannot?
Anki covers Spaced repetition scheduling, Cross-platform sync, Shared deck library, Custom card types. Khan Academy covers Video lessons, Practice exercises, Mastery system, Progress tracking.

Answered from the vendors’ own pages

Anki: Why is the iOS app not free when everything else is?

AnkiMobile is a paid one-time purchase, commonly around $24.99 to $29.99, that the developer states directly funds ongoing development of the free desktop apps, AnkiWeb sync and infrastructure used by every platform.

Khan Academy: Is Khan Academy free?

Yes. Khan Academy is a 501(c)(3) nonprofit and states that it is a free tool for students, teachers and parents alike, with over 840 free courses and teacher tools provided at no cost. It relies on donor support rather than fees.

Source
Anki: Is Anki really free on Android?

Yes. AnkiDroid, the Android app, is free and open source, built and maintained by a separate volunteer development team from the desktop project.

Khan Academy: Who is Khan Academy for?

Khan Academy serves students, teachers and parents, covering core academic subjects from K-12 through early college. The platform is available in more than 190 countries and over 55 languages.

Source
Anki: Do I need to pay for sync?

No. AnkiWeb, used to sync decks and review history across devices, is free.

Khan Academy: How is Khan Academy funded if it is free?

As a 501(c)(3) nonprofit, Khan Academy is funded by donations rather than subscriptions. Its about page states that donor support is what keeps the classroom tools free.

Source
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