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UPDF vs PDF Expert: catalog facts
UPDF	PDF Expert
Freemium Free to try, with paid plans for the full feature set.	Freemium Reading and basic annotation are free. Editing features require a paid plan.
Windows, macOS, Android, iOS, Web	macOS, iOS
Apps for desktop and mobile platforms Editing, OCR, conversion and redaction in one app	Genuine text and image editing inside the PDF, not just annotation Very fast on large documents, with a polished Apple-native interface
Proprietary, with full features behind a paid plan The AI features rely on an online service	macOS and iOS only Editing, OCR and conversion require a paid subscription or licence
Downloadable app, Web application	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.