Compare software

BrainscapeKWordQuiz
Freemium

Free to start, with paid upgrades for extra features.

 Free

Free and open source as part of KDE Gear.

Android, iOS, Web Windows, Linux
  • Large catalog of ready-made decks
  • Confidence-based spaced repetition
  • Five different quiz modes
  • Built-in editor for creating card sets
  • Proprietary, cloud-based decks
  • Some features sit behind a paid upgrade
  • No macOS or mobile versions
  • Uses KVTML rather than formats shared by other flashcard apps
Downloadable app, Web application Downloadable app
Closed source Open source
License not stated License: GPL-2.0-or-later
Account needed No account needed
Not stated if it works offline Works offline

Checked September 23, 2026

Checked September 24, 2026

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