Compare software

Neat ReaderKoodo Reader
Freemium

Free to use, with a Premium plan that has a seven-day free trial.

 Free

Free and open source under the AGPL-3.0.

Windows, macOS, Android, iOS, Web Windows, macOS, Linux, Android, iOS, Web
  • Apps for desktop, mobile and the web
  • Syncs books, notes and progress through the cloud
  • Over fifteen formats including EPUB, PDF, MOBI, AZW3, comic archives and DOCX
  • Syncs through storage you already control rather than a vendor cloud
  • EPUB 3 support is not complete
  • Some features need the paid Premium plan
  • It reads DRM-free files only; books bought from a store with DRM will not open
  • Sync depends on whatever storage you configure, so the setup is on you
Downloadable app, Web application Downloadable app, Web application
Closed source Open source
License not stated License: AGPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 24, 2026

Checked September 20, 2026

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