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BookFusion vs Calibre-Web: catalog facts
BookFusion	Calibre-Web
Freemium Free account to get started, with paid plans for more.	Free Free to use, with source code published on GitHub.
Android, Web, Browser extension	Web, Self-hosted
Syncs reading position across devices Reads both EPUB and PDF	Uses an existing Calibre database directly Read books in the browser or download them
Books are stored in a hosted cloud service Requires an account	Depends on a library created with Calibre Requires running a server
Downloadable app, Web application, Hosted service, Browser extension	Self-hosted
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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