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Master PDF Editor vs PDF Reader Pro: catalog facts
Master PDF Editor	PDF Reader Pro
Freemium An unregistered version offers limited non-commercial functions. Full editing requires a…	Freemium Free to download; advanced features and AI credits are paid.
Windows, macOS, Linux	Windows, macOS, Android, iOS
One of the few complete PDF editors with a real Linux build Handles forms, signatures and OCR alongside content editing	Broad feature set: editing, conversion, OCR, forms and signing Available on all major desktop and mobile platforms
The unregistered version is limited and for non-commercial use only Closed source	Many features and AI tools require payment AI features use a credit system
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	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 23, 2026

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