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Preview vs PDF Reader Pro: catalog facts
Preview	PDF Reader Pro
Free Included with macOS at no extra cost.	Freemium Free to download; advanced features and AI credits are paid.
macOS	Windows, macOS, Android, iOS
Already installed on every Mac Handles both PDFs and images	Broad feature set: editing, conversion, OCR, forms and signing Available on all major desktop and mobile platforms
macOS only No advanced editing of PDF text or OCR tools like dedicated editors	Many features and AI tools require payment AI features use a credit system
Downloadable app	Downloadable app
Closed source	Closed source
License: Proprietary	License not stated
No account needed	Not stated if an account is needed
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.