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Atsumeru vs Kavita: catalog facts
Atsumeru	Kavita
Free Free and open source under the MIT licence.	Freemium The server is free and open source. An optional Kavita+ subscription adds external…
Windows, Linux, Android, Web, Self-hosted	Windows, macOS, Linux, Self-hosted, Web
Reads CBZ, CBR, CB7, PDF and DjVu files Two-way reading history sync between web and apps	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
ePub and FB2 support is limited Smaller project with a modest community	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
Downloadable app, Self-hosted	Self-hosted, Web application
Open source	Open source
License: MIT	License: GPL-3.0
Not stated if an account is needed	Account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 20, 2026

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