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Tungsten Power PDF vs UPDF: catalog facts
Tungsten Power PDF	UPDF
Paid Paid software with a free trial.	Freemium Free to try, with paid plans for the full feature set.
Android, iOS	Windows, macOS, Android, iOS, Web
Familiar Office-style interface Redaction and security features	Apps for desktop and mobile platforms Editing, OCR, conversion and redaction in one app
Paid, with no free tier beyond the trial Collaboration features limited to the Business edition	Proprietary, with full features behind a paid plan The AI features rely on an online service
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License: Proprietary	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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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