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Tungsten Power PDF vs Nitro PDF Pro: catalog facts
Tungsten Power PDF	Nitro PDF Pro
Paid Paid software with a free trial.	Paid A paid licence or subscription is required after the trial.
Android, iOS	Windows, macOS
Familiar Office-style interface Redaction and security features	Office-style interface with strong Word and Excel conversion Editing, OCR, redaction and signing in one licence
Paid, with no free tier beyond the trial Collaboration features limited to the Business edition	Paid licence with no free tier beyond a trial Windows and macOS only
Downloadable app	Downloadable app
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 22, 2026

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