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AnkiDroid

Hacker Approved

Ranked 2 of 4 flashcard apps by recommenders

Free open-source flashcard app for Android; people praise its reliability and custom sync support, with notification problems and worries about the Anki ownership change as caveats.

Free open-source flashcard app for Android; people praise its reliability and custom sync support, with notification problems and worries about the Anki ownership change as caveats.

27 people gave an opinion

recommend it
23
criticize it
4
approval share
85%
Each figure is one person. RecommendsCriticizes

Recommended in 8 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it carries the badge

  • 23 people recommend itNeeds 10 or more, met.
  • 5.8 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 8 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Praised as a great, fantastic app

    “AnkiDroid has been such a great boon for me”

    Comment from 1 Sep 2026 in “AnkiDroid: Google Play no longer allowing Open Collective donation link”

    “a general thanks for AnkiDroid as well!”

    Comment from 18 Dec 2025 in “Hashcards: A plain-text spaced repetition system”

    “one of my favorite apps on android”

    Comment from 1 Sep 2026 in “AnkiDroid: Google Play no longer allowing Open Collective donation link”
  • Useful for language and exam study

    “More than just memorizing kanji on AnkiDroid during my commute”

    Comment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

    “I made hundreds of cards to get me through the ACR core exam”

    Comment from 2 Sep 2026 in “AnkiDroid: Google Play no longer allowing Open Collective donation link”

    “using it for learning danish and finding it very useful”

    Comment from 16 Sep 2026 in “The Google Play app review process now regularly takes longer than a week”
  • Free and open source

    “a fully self-contained version of Anki for Android, not requiring pairing with a desktop app and completely free”

    Comment from 25 Jan 2026 in “Google confirms 'high-friction' sideloading flow is coming to Android”

    “Ankidroid is much better, which I would attribute to being open source with lots of eyeballs on it”

    Comment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

    “I've long been jealous of the open source Android one.”

    Comment from 2 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”
  • Works well and keeps improving

    “We've moved from being years behind upstream to being able to release in tandem with the Desktop app.”

    Comment from 17 Dec 2025 in “Hashcards: A plain-text spaced repetition system”

    “Improved app rating from 4.5 to ~4.8 stars, dramatically reduced crash rate”

    Comment from 1 May 2026 in “Ask HN: Who wants to be hired? (May 2026)”

    “Because the Android version works.”

    Comment from 30 Dec 2025 in “Win32 is the stable Linux ABI”

What people warn about

Each mark is one comment

  • Notifications often don't work

    “push notifications haven't worked in AnkiDroid for years”

    Comment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

    “Notifications work extremely badly.”

    Comment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”
  • Ownership transfer to AnkiHub worries people

    “it would mean any contribution by AnkiDroid's owner to AnkiDroid would be considered property of his new employer”

    Comment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

    “So... why is one soliciting donations on behalf of the other?! My Fraud Meter is rising, not falling here.”

    Comment from 1 Sep 2026 in “AnkiDroid: Google Play no longer allowing Open Collective donation link”

    “we won't be privy to any employment contract language”

    Comment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

Other flashcard apps people recommend

The three most recommended other flashcard apps, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

AnkiDroid compared with 3 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Anki1365073%126 yrs11 ownersApproved
AnkiDroidThis page23485%8—Approved
Hashcards13572%2——
Mochi flashcard app90100%5——
See all 4 flashcard apps, ranked

What people said

28 of the 35 comments that mention it, newest first. Each links to the original comment.

“using it for learning danish and finding it very useful”

RecommendsComment from 16 Sep 2026 in “The Google Play app review process now regularly takes longer than a week”

“I made hundreds of cards to get me through the ACR core exam”

RecommendsComment from 2 Sep 2026 in “AnkiDroid: Google Play no longer allowing Open Collective donation link”

“So... why is one soliciting donations on behalf of the other?! My Fraud Meter is rising, not falling here.”

CriticizesComment from 1 Sep 2026 in “AnkiDroid: Google Play no longer allowing Open Collective donation link”

“The bottom line is that Anki's lawyers messed up.”

CriticizesComment from 1 Sep 2026 in “AnkiDroid: Google Play no longer allowing Open Collective donation link”

“one of my favorite apps on android”

RecommendsComment from 1 Sep 2026 in “AnkiDroid: Google Play no longer allowing Open Collective donation link”

“AnkiDroid has been such a great boon for me”

RecommendsComment from 1 Sep 2026 in “AnkiDroid: Google Play no longer allowing Open Collective donation link”

“I've run Ankidroid on both those devices.”

RecommendsComment from 21 Aug 2026 in “Kobo can run apps now”

“Together they work pretty well”

RecommendsComment from 1 Aug 2026 on Hacker News

“I do use Telegram, Ankidroid, and a few other apps that I trust”

RecommendsComment from 24 Jul 2026 in “Passkeys were invented by engineers with zero understanding of consumer brain”

“Improved app rating from 4.5 to ~4.8 stars, dramatically reduced crash rate”

RecommendsComment from 1 May 2026 in “Ask HN: Who wants to be hired? (May 2026)”

“Most of the apps I enjoy the most are in alternatives stores.”

RecommendsComment from 20 Mar 2026 in “Android: Balancing Openness and Choice with Safety”

“AnkiDroid is a fantastic app.”

RecommendsComment from 1 Mar 2026 in “Samsung Galaxy update removes Android recovery menu tools, including sideloading”

“it would mean any contribution by AnkiDroid's owner to AnkiDroid would be considered property of his new employer”

MixedComment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“it's a feature which AnkiDroid supports, but isn't one which I use.”

MixedComment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“Notifications work extremely badly.”

CriticizesComment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“it's already fixed in the current version - so literally the only minor issue I hit on my way to a custom sync server is resolved already”

RecommendsComment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“push notifications haven't worked in AnkiDroid for years”

CriticizesComment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“we won't be privy to any employment contract language”

CriticizesComment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“Ankidroid is much better, which I would attribute to being open source with lots of eyeballs on it”

RecommendsComment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“More than just memorizing kanji on AnkiDroid during my commute”

RecommendsComment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“I'm going to keep using AnkiDroid”

RecommendsComment from 2 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“I've long been jealous of the open source Android one.”

RecommendsComment from 2 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“the actually good mobile Anki client, AnkiDroid, remains out of the hands of this potentially questionable new entity”

RecommendsComment from 2 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“a fully self-contained version of Anki for Android, not requiring pairing with a desktop app and completely free”

RecommendsComment from 25 Jan 2026 in “Google confirms 'high-friction' sideloading flow is coming to Android”

“Because the Android version works.”

RecommendsComment from 30 Dec 2025 in “Win32 is the stable Linux ABI”

“a general thanks for AnkiDroid as well!”

RecommendsComment from 18 Dec 2025 in “Hashcards: A plain-text spaced repetition system”

“We've moved from being years behind upstream to being able to release in tandem with the Desktop app.”

RecommendsComment from 17 Dec 2025 in “Hashcards: A plain-text spaced repetition system”

“I've used four generations of Nooks to run AnkiDroid.”

RecommendsComment from 8 Dec 2025 in “Let's put Tailscale on a jailbroken Kindle”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.