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Safari vs Safari Technology Preview: catalog facts
Safari	Safari Technology Preview
Free Free to download and use. The software is closed source.	Free Free download from Apple.
macOS	macOS
Intelligent Tracking Prevention, iCloud tab and password sync, and unusually low battery use come from being built for…	Latest WebKit engine ahead of stable Safari Runs side by side with regular Safari
It is proprietary and Apple-only, and its WebKit engine lags on some web platform features that Chromium ships…	macOS only Pre-release software that may be less stable
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 22, 2026	Official website Full listing and sources Checked September 24, 2026

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