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Librera ReaderFBReader
Free

Free to download.

 Freemium

The reader is free. Some format plugins and premium features are paid.

Android Windows, macOS, Linux, Android, iOS
  • Wide format support including DjVu and comics
  • Auto-scan of book folders with reading progress
  • Same library and reading position across desktop and mobile
  • Reads custom OPDS catalogues as well as local files
  • Android only
  • Many settings can take time to learn
  • Some features and formats need paid add-ons
  • The desktop builds lag the mobile apps
Downloadable app Downloadable app
Open source Closed source
License: GPL-3.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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