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Kavita vs Codex: catalog facts
Kavita	Codex
Freemium The server is free and open source. An optional Kavita+ subscription adds external…	Free Free to run on your own server.
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	Reads comics in any web browser Keeps the library on your own server
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	Needs a server to run Small project with a limited contributor base
Self-hosted, Web application	Self-hosted
Open source	Open 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 24, 2026

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