Compare software

Nitro PDF ProTungsten Power PDF
Paid

A paid licence or subscription is required after the trial.

 Paid

Paid software with a free trial.

Windows, macOS Android, iOS
  • Office-style interface with strong Word and Excel conversion
  • Editing, OCR, redaction and signing in one licence
  • Familiar Office-style interface
  • Redaction and security features
  • Paid licence with no free tier beyond a trial
  • Windows and macOS only
  • Paid, with no free tier beyond the trial
  • Collaboration features limited to the Business edition
Downloadable app 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

Checked September 22, 2026

Checked September 24, 2026

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