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MJ PDF vs Xodo: catalog facts
MJ PDF	Xodo
Free Free and open source under the GPL 3.0 licence.	Freemium Reading and annotation are free. Editing and conversion quotas require a paid plan.
Android	Windows, Android, iOS, Web
Library view with recent files, folders and reading history Dark mode for the PDF content as well as the interface	The same annotation and signing tools on web, desktop and mobile Works directly against Google Drive, Dropbox and OneDrive
Android only A reader with annotations rather than a full PDF editor	Conversion and advanced editing are limited without a paid plan Closed source, and online tools process files on their servers
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-3.0-only	License not stated
No account 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 October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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