Compare software

Moon+ ReaderFBReader
Freemium

Free version available, with a paid Pro version.

 Freemium

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

Android Windows, macOS, Linux, Android, iOS
  • Very wide format support including Markdown and CHM
  • Reads books inside ZIP and RAR archives and OPDS catalogs
  • Same library and reading position across desktop and mobile
  • Reads custom OPDS catalogues as well as local files
  • Android only
  • Some features require the paid Pro version
  • Some features and formats need paid add-ons
  • The desktop builds lag the mobile apps
Downloadable app Downloadable app
Closed source Closed source
License not stated 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 23, 2026

Checked September 22, 2026

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