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UPDF vs Tungsten Power PDF: catalog facts
UPDF	Tungsten Power PDF
Freemium Free to try, with paid plans for the full feature set.	Paid Paid software with a free trial.
Windows, macOS, Android, iOS, Web	Android, iOS
Apps for desktop and mobile platforms Editing, OCR, conversion and redaction in one app	Familiar Office-style interface Redaction and security features
Proprietary, with full features behind a paid plan The AI features rely on an online service	Paid, with no free tier beyond the trial Collaboration features limited to the Business edition
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
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 24, 2026

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