AI-powered, open-source flashcards for iPhone, iPad, Mac, Android, and the web.
Prepare for exams, learn vocabulary, and memorize technical terms and facts. Create and improve cards with AI, study offline on mobile, and review with FSRS spaced repetition.
- iPhone — including iPhone Duo; iOS 18+; Home Screen widgets.
- iPad — iPadOS 18+; Home Screen widgets.
- macOS — macOS 15+ on Apple silicon via Mac Catalyst.
- Android — Android 11, 12, 12L, 13, 14, 15, 16, and 17; Home Screen widgets.
- Web — study in your browser.
- AI assistants via MCP — connect at
https://mcp.nibomo.com/mcp.
- User guides
- Developer docs — platform guides, architecture, scheduling, setup, and releases.
- MCP client setup
- Support · Privacy
Contributions are welcome! See the contribution guide.
MIT. Created by Kirill Markin.