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MComix vs Panels: catalog facts
MComix	Panels
Free Free and open source under the GPL 2.0 licence.	Freemium Free to download; some features and store comics cost extra.
Windows, Linux	macOS, iOS
Reads comics straight from CBR, CBZ, CB7 and PDF Manga mode for right-to-left reading	Opens CBR, CBZ, 7z, PDF and comic EPUB Panel-by-panel view for small screens
No macOS build listed GTK interface looks out of place on Windows	Apple devices only Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No 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 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.