ankidroid

ankidroid/Anki-Android

AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.

12kstars 3kforks 100+contributors Kotlin

README.md

# AnkiDroid
An official port of the open source [Anki](https://apps.ankiweb.net/index.html) spaced repetition flashcard system to Android. Memorize anything with AnkiDroid!

### Features

<div style="display:flex;">
 
- Night mode
- Whiteboard 
- Progress widget
- Detailed statistics
- Syncing with AnkiWeb
- Write answers (optional)
- Text-to-speech integration
- More than 10,000 premade decks
- Spaced repetition (AI-optimized [FSRS algorithm](https://github.com/open-spaced-repetition))
- Supported contents: text, images, sounds, MathJax
- Add cards by intent from other applications like dictionaries

</div>

Install
---------
<div style="display:flex;">

</div>

Signing certificate fingerprint to [verify](https://developer.android.com/studio/command-line/apksigner#usage-verify) the APK:
```
SHA-256: 2071534f0f4b5e54ae952dd275d70da6e3459ee69909d2ab1b4843c4c5b21a45 
SHA-1: f24e06a3657b190a12671100402df32d7b9b3d36
```

Wiki
----
View [Wiki](https://github.com/ankidroid/Anki-Android/wiki)

Help
----
Check the [user manual](https://docs.ankidroid.org/) and the wiki for usage instructions. See the [help page](https://docs.ankidroid.org/help.html) 
for how to submit a bug report or contact a project member, etc.

Contribute
----------
You can contribute to AnkiDroid by beta testing, translating, or submitting code. 
See the [contribution wiki page](https://github.com/ankidroid/Anki-Android/wiki/Contributing) for more info.

Join Us On
----------

## Credits

### Code Contributors

Thanks to these awesome code contributors who keep this project going

### [Sponsors](https://opencollective.com/ankidroid#sponsor)
<a href="https://opencollective.com/ankidroid#sponsor" target="_blank">
  <img alt="AnkiDroid Sponsors" src="https://opencollective.com/Ankidroid/sponsors.svg?width=890" />
</a>

### [Backers](https://opencollective.com/ankidroid#backer)

A big thank you to each of our backers 🙏
<a href="https://opencollective.com/Ankidroid#backers" target="_blank"><img width=110 src="https://opencollective.com/Ankidroid/backers/badge.svg?"></a>

<p>Your generous donations mean the world to us, and we can't express our gratitude enough. Your support fuels our mission and helps us make a real difference</p>

### [Translators](https://crowdin.com/project/ankidroid/activity-stream)

Thanks to our 1400 translators, for allowing us to be available, partially or totally, in 99 languages as of July 2022.

License
-------
* [GPL-3.0 License](https://github.com/ankidroid/Anki-Android/blob/main/COPYING)
* [AGPL-3.0 License](https://github.com/ankitects/anki/blob/main/LICENSE) for some part of the back-end
* [LGPL-3.0 License](https://github.com/ankidroid/Anki-Android/blob/main/api/COPYING.LESSER) for the AnkiDroid API

Repository info

Default branch: main
Latest version: v2.25.1
Created: 2013-01-20
Last activity: 2026-10-13
License: GPL-3.0
Open issues: 328
Watchers: 153

Topics

android anki ankidroid education flashcards kotlin learning srs

Contributors

david-allison

5k contributions

timrae

2.2k contributions

Arthur-Milchior

1.9k contributions

nicolas-raoul

1.7k contributions

mikehardy

1.6k contributions