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MuPDF vs Foxit PDF Reader: catalog facts
MuPDF	Foxit PDF Reader
Free Free and open source under the AGPL. Commercial licensing is sold separately.	Freemium The reader is free. Foxit PDF Editor is a paid product.
Windows, macOS, Linux, Android, iOS, Command line	Windows, macOS, Linux, Android, iOS
Extremely fast and small, with accurate rendering The bundled mutool covers most scripted PDF manipulation	Fast rendering with a full annotation and form-filling toolset for free Available on Windows, macOS, Linux, Android and iOS
The viewer interface is deliberately minimal and keyboard-driven Commercial use of the library needs a paid licence from Artifex	Editing page content requires the paid Foxit PDF Editor The installer and interface promote the paid products
Downloadable app	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
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 22, 2026	Official website Full listing and sources Checked September 22, 2026

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