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Komga vs Atsumeru: catalog facts
Komga	Atsumeru
Free No pricing is listed; it is downloaded and run on your own server.	Free Free and open source under the MIT licence.
Web, Self-hosted	Windows, Linux, Android, Web, Self-hosted
Handles CBZ, CBR, PDF and EPUB Integrated web reader	Reads CBZ, CBR, CB7, PDF and DjVu files Two-way reading history sync between web and apps
Requires running your own server License terms are not stated in the available research	ePub and FB2 support is limited Smaller project with a modest community
Self-hosted	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License: MIT
Not stated if an account is 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 October 2, 2026

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