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Education · head to head

Anki vs Seek by iNaturalist

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
Seek by iNaturalist logo

Seek by iNaturalist

Education

Free nonprofit wildlife and plant identification app built to be safe for children

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.; Seek by iNaturalist identification quality depends on how well iNaturalist community data covers a given region, so obscure or under-photographed species can be misidentified.
  • They diverge on capability: Anki covers Spaced repetition scheduling, Seek by iNaturalist covers Offline identification.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Anki and Seek by iNaturalist actually diverge.

Attributes where Anki and Seek by iNaturalist differ
AttributeAnkiSeek by iNaturalist
Pricing modelOpen source, no licence fee except a paid iOS appFree, no ads and no in-app purchases
PlatformsWindows, Mac, Linux, iOS, Android, WebiOS, Android

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 Seek by iNaturalist

  • Offline identification
  • No account required
  • Child-safe design
  • Species badges
  • Broad coverage
  • Community-trained model

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

Seek by iNaturalist

  • A parent wanting a nature app for a child without accounts, chat or data collection concernsnot Anki
  • A hiker in an area with no signal who needs offline plant or insect identificationnot Anki
  • A teacher running an outdoor nature scavenger hunt with a classnot Anki
  • Anyone who wants broad wildlife identification without paying a subscriptionnot 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.

Seek by iNaturalist

  • Identification quality depends on how well iNaturalist community data covers a given region, so obscure or under-photographed species can be misidentified.
  • It lacks the deep plant care guidance that commercial apps like PictureThis provide, since it is an identification tool, not a gardening assistant.
  • Observations made in Seek are not automatically added to the iNaturalist research database unless separately uploaded, which surprises some users expecting automatic contribution.
  • The offline model download is a meaningful app size, which matters on devices with limited storage.
  • Because there are no accounts, there is no cross-device sync of identification history.

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

Seek by iNaturalist

Free
  • SeekFree
    • Full identification for plants, insects and animals
    • Offline identification once models are downloaded
    • No account required

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 Seek by iNaturalist if

  • You need offline identification.
  • You want to start without paying.
  • You work on iOS, Android.
  • You also want no account required.
Seek by iNaturalist review

Questions people ask

Is Anki or Seek by iNaturalist better?
Neither clearly leads. Anki starts at Free and Seek by iNaturalist at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Anki or Seek by iNaturalist?
Anki starts at Free and Seek by iNaturalist at Free.
Does Anki or Seek by iNaturalist run on more platforms?
Anki runs on Windows, Mac, Linux, iOS, Android, Web. Seek by iNaturalist runs on 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 Seek by iNaturalist is typically brought in for.
What can Anki do that Seek by iNaturalist cannot?
Anki covers Spaced repetition scheduling, Cross-platform sync, Shared deck library, Custom card types. Seek by iNaturalist covers Offline identification, No account required, Child-safe design, Species badges.

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.

Seek by iNaturalist: Is Seek really free?

Yes, entirely, with no ads or in-app purchases, run by the nonprofit iNaturalist.

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.

Seek by iNaturalist: Do I need an account?

No, Seek works fully without an account, which is a deliberate choice to make it safe for children.

Anki: Do I need to pay for sync?

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

Seek by iNaturalist: Does Seek feed the iNaturalist research database?

Not automatically. You have to choose to upload an observation to iNaturalist.org for it to become part of the research record.

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