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Foliate vs Readest: catalog facts
Foliate	Readest
Free Free and open source, with no paid edition.	Freemium The app is free and open source under the AGPL. The optional cloud sync service has paid…
Linux	Windows, macOS, Linux, Android, Web, iOS
Opens EPUB, Mobipocket, Kindle, FB2, CBZ and PDF Annotations and progress are plain JSON files you can sync however you want	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
Linux only; there is no Windows or macOS build Needs recent GTK4, libadwaita and WebKitGTK, which older distributions may not have	Cloud sync is a hosted service with paid tiers, not purely local A young project, so features and stability are still moving
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-3.0	License: AGPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 21, 2026

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