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PDF Reader Pro vs Master PDF Editor: catalog facts
PDF Reader Pro	Master PDF Editor
Freemium Free to download; advanced features and AI credits are paid.	Freemium An unregistered version offers limited non-commercial functions. Full editing requires a…
Windows, macOS, Android, iOS	Windows, macOS, Linux
Broad feature set: editing, conversion, OCR, forms and signing Available on all major desktop and mobile platforms	One of the few complete PDF editors with a real Linux build Handles forms, signatures and OCR alongside content editing
Many features and AI tools require payment AI features use a credit system	The unregistered version is limited and for non-commercial use only Closed source
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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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