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ReadestBookFusion
Freemium

The app is free and open source under the AGPL. The optional cloud sync service has paid…

 Freemium

Free account to get started, with paid plans for more.

Windows, macOS, Linux, Android, Web, iOS Android, Web, Browser extension
  • Reads EPUB, PDF, MOBI, AZW3, FB2, CBZ, TXT and Markdown in one app
  • The same reader on macOS, Windows, Linux, Android, iOS and the web
  • Syncs reading position across devices
  • Reads both EPUB and PDF
  • Cloud sync is a hosted service with paid tiers, not purely local
  • A young project, so features and stability are still moving
  • Books are stored in a hosted cloud service
  • Requires an account
Downloadable app, Web application Downloadable app, Web application, Hosted service, Browser extension
Open source Closed source
License: AGPL-3.0 License not stated
No account needed Account needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 23, 2026

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