AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.
Last updated Jul 7, 2026
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README
AnkiDroid
A semi-official port of the open source Anki spaced repetition flashcard system to Android. Memorize anything with AnkiDroid!
Features
- 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)
- Supported contents: text, images, sounds, MathJax
- Add cards by intent from other applications like dictionaries
Install
Signing certificate fingerprint to verify the APK:
SHA-256: 2071534f0f4b5e54ae952dd275d70da6e3459ee69909d2ab1b4843c4c5b21a45 SHA-1: f24e06a3657b190a12671100402df32d7b9b3d36Wiki
View Wiki
Help
Check the user manual and the wiki for usage instructions. See the help page 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 for more info.
Join Us On
Credits
Code Contributors
Thanks to these awesome code contributors who keep this project going
Sponsors
Backers
A big thank you to each of our backers 🙏 
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
Translators
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
- AGPL-3.0 License for some part of the back-end
- LGPL-3.0 License for the AnkiDroid API
