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Unite Pro vs Multi: catalog facts
Unite Pro	Multi
Paid Sold as Unite Pro; prices are not listed in the research.	Free Free and open source under the GPL 3.0; donations are welcome.
macOS	macOS, Command line
Turns any website into a separate Mac app Adds native macOS features to web apps	Native notifications, file uploads and dialogs for web apps Configuration in one readable JSON file
macOS only Pricing not shown in the research	macOS only Setup involves editing JSON rather than a full settings interface
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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