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Preview vs Phoenix Slides: catalog facts
Preview	Phoenix Slides
Free Included with macOS at no extra cost.	Free Free download, with donations accepted.
macOS	macOS
Already installed on every Mac Handles both PDFs and images	Pre-cached full-screen slideshows Fast thumbnails using embedded previews, including from raw files
macOS only No advanced editing of PDF text or OCR tools like dedicated editors	macOS only Viewer and browser rather than a full photo editor
Downloadable app	Downloadable app
Closed source	Closed source
License: Proprietary	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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