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Icecream Ebook ReaderKoodo Reader
Freemium

Free to use, with a paid PRO upgrade.

 Free

Free and open source under the AGPL-3.0.

Windows Windows, macOS, Linux, Android, iOS, Web
  • Opens many formats, including comics
  • Highlights and notes searchable by colour
  • Over fifteen formats including EPUB, PDF, MOBI, AZW3, comic archives and DOCX
  • Syncs through storage you already control rather than a vendor cloud
  • Windows only
  • No support for DRM-protected books
  • 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 Downloadable app, Web application
Closed source Open source
License not stated License: AGPL-3.0
No account needed No account needed
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.