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Education · head to head

Anki vs Flowkey

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
-
Flowkey logo

Flowkey

Education

Piano learning app with microphone or MIDI listening and a large licensed song catalogue

From
Free
Rated
-

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.; Flowkey microphone-only users, without a MIDI keyboard, still hit the same accuracy limits as Simply Piano on fast or dense passages.
  • They diverge on capability: Anki covers Spaced repetition scheduling, Flowkey covers Large licensed song library.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Anki and Flowkey actually diverge.

Attributes where Anki and Flowkey differ
AttributeAnkiFlowkey
Pricing modelOpen source, no licence fee except a paid iOS appPer user per year or month
PlatformsWindows, Mac, Linux, iOS, Android, WebiOS, Android, Web

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 Flowkey

  • Large licensed song library
  • MIDI keyboard support
  • Microphone listening
  • Slow-down and loop tools
  • Video lessons
  • Progress tracking

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

Flowkey

  • An adult returning to piano who wants to work toward specific known songs at a graduated difficultynot Anki
  • Someone with a MIDI-capable digital keyboard wanting more accurate feedback than microphone listening alonenot Anki
  • A learner motivated by a large, varied song catalogue rather than a strict beginner curriculumnot Anki
  • A pianist wanting slow-down and loop tools to work through a specific difficult passage in a real piecenot 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.

Flowkey

  • Microphone-only users, without a MIDI keyboard, still hit the same accuracy limits as Simply Piano on fast or dense passages.
  • Its curriculum is less structured around fundamentals than Simply Piano for a complete beginner with no prior reading ability.
  • It is piano only, so a household wanting to cover guitar or other instruments needs a separate subscription elsewhere.
  • The song licensing model means catalogue availability can shift over time as licences change, occasionally removing a previously available arrangement.
  • Full benefit of its more precise feedback mode requires owning a MIDI-capable keyboard, which is an additional cost beyond the subscription for anyone with only an acoustic piano.

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

Flowkey

Free
  • FlowkeyFree
    • Limited free songs and lessons
  • Premium$119.99/year
    • Full song library and difficulty arrangements
    • MIDI keyboard support
    • 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.

Choose Flowkey if

  • You need large licensed song library.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want midi keyboard support.

Questions people ask

Is Anki or Flowkey better?
Neither clearly leads. Anki starts at Free and Flowkey at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Anki or Flowkey?
Anki starts at Free and Flowkey at Free.
Does Anki or Flowkey run on more platforms?
Anki runs on Windows, Mac, Linux, iOS, Android, Web. Flowkey runs on iOS, Android, Web.
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 Flowkey is typically brought in for.
What can Anki do that Flowkey cannot?
Anki covers Spaced repetition scheduling, Cross-platform sync, Shared deck library, Custom card types. Flowkey covers Large licensed song library, MIDI keyboard support, Microphone listening, Slow-down and loop tools.

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.

Flowkey: Does Flowkey support MIDI keyboards?

Yes, connecting a MIDI keyboard gives more precise note detection than microphone listening alone.

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.

Flowkey: How is it different from Simply Piano?

Flowkey emphasises a large licensed song catalogue with graduated arrangements, while Simply Piano leans more into a structured beginner curriculum.

Anki: Do I need to pay for sync?

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

Flowkey: Do I need a MIDI keyboard to use it?

No, microphone listening works with any piano, but MIDI support improves accuracy if you have compatible hardware.

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