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Preview vs Highlights: catalog facts
Preview	Highlights
Free Included with macOS at no extra cost.	Freemium Free to use, with advanced features in a Pro subscription that has a free trial.
macOS	macOS, iOS
Already installed on every Mac Handles both PDFs and images	Exports annotations to Markdown and popular notes apps DOI lookup and citation metadata for papers
macOS only No advanced editing of PDF text or OCR tools like dedicated editors	Apple platforms only Advanced features require a subscription
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 24, 2026

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