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Kavita vs Calibre-Web: catalog facts
Kavita	Calibre-Web
Freemium The server is free and open source. An optional Kavita+ subscription adds external…	Free Free to use, with source code published on GitHub.
Windows, macOS, Linux, Self-hosted, Web	Web, Self-hosted
Purpose-built readers for EPUB, PDF and image-based comics, including webtoon mode Multi-user with per-library and age restrictions, through built-in logins or OIDC	Uses an existing Calibre database directly Read books in the browser or download them
You have to run and maintain a server, and expose it safely if you want remote access Some metadata enrichment is only available through the paid Kavita+ add-on	Depends on a library created with Calibre Requires running a server
Self-hosted, Web application	Self-hosted
Open source	Closed source
License: GPL-3.0	License not stated
Account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

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