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AnkiDroidAlgoApp
Free

Free and open source.

 Freemium

Free to start, with paid options.

Android Windows, macOS, Android, iOS, Web
  • Spaced-repetition scheduling for efficient review
  • Compatible with Anki decks
  • FSRS spaced repetition scheduling
  • Creates cards from PDFs, photos, prompts and CSV files
  • Android only
  • Syncing with other devices depends on a separate Anki sync service
  • Closed source
  • Details of the paid tier are not shown on the homepage
Downloadable app Downloadable app, Web application
Open source Closed source
License: GPL-3.0 License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.