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Education · head to head

Anki vs Udemy

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
Udemy logo

Udemy

Education

World's largest marketplace for online learning

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.; Udemy course quality varies significantly as Udemy allows anyone to create and sell courses without vetting
  • They diverge on capability: Anki covers Spaced repetition scheduling, Udemy covers Video courses.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Anki and Udemy actually diverge.

Attributes where Anki and Udemy differ
AttributeAnkiUdemy
Pricing modelOpen source, no licence fee except a paid iOS appUnknown
PlatformsWindows, Mac, Linux, iOS, Android, WebWeb, iOS, Android
FoundedUnknown2010

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 Udemy

  • Video courses
  • Quizzes
  • Assignments
  • Certificates
  • Mobile learning
  • Offline viewing
  • Q&A
  • Reviews

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 Udemy
  • A language learner building custom vocabulary decks with audio and images tailored to their own study materialnot Udemy
  • A self-directed learner who wants full control over the scheduling algorithm and does not want a subscriptionnot Udemy
  • An iPhone-only user deciding whether the one-time AnkiMobile price is worth it versus using the free web interface insteadnot Udemy

Udemy

  • Skill buildingnot Anki
  • Career transitionnot Anki
  • Professional developmentnot Anki
  • Team trainingnot 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.

Udemy

  • Course quality varies significantly as Udemy allows anyone to create and sell courses without vetting
  • No formal credentials or degrees offered, unlike Coursera and edX which offer institution-branded certificates
  • Courses are self-paced with no instructor interaction or support, making structured learning difficult for some students

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

Udemy

Free
  • Personal$19/month
    • 11,000+ courses access
  • Team$360/year
    • For 5-20 people

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 Udemy if

  • You need video courses.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want quizzes.
Udemy review

Questions people ask

Is Anki or Udemy better?
Neither clearly leads. Anki starts at Free and Udemy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Anki or Udemy?
Anki starts at Free and Udemy at Free.
Does Anki or Udemy run on more platforms?
Anki runs on Windows, Mac, Linux, iOS, Android, Web. Udemy 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 Udemy is typically brought in for.
What can Anki do that Udemy cannot?
Anki covers Spaced repetition scheduling, Cross-platform sync, Shared deck library, Custom card types. Udemy covers Video courses, Quizzes, Assignments, Certificates.

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.

Udemy: Does Udemy offer team/business pricing?

Yes, Udemy's Team plan costs $360 per user annually for groups of 5 to 20 people, in addition to individual Personal plan at $19/month.

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.

Anki: Do I need to pay for sync?

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

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