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PDF Reader Pro vs Tungsten Power PDF: catalog facts
PDF Reader Pro	Tungsten Power PDF
Freemium Free to download; advanced features and AI credits are paid.	Paid Paid software with a free trial.
Windows, macOS, Android, iOS	Android, iOS
Broad feature set: editing, conversion, OCR, forms and signing Available on all major desktop and mobile platforms	Familiar Office-style interface Redaction and security features
Many features and AI tools require payment AI features use a credit system	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
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.