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Mac Sai vs DevCleaner: catalog facts
Mac Sai	DevCleaner
Free Free and open source.	Free Source on GitHub; also distributed through the Mac App Store.
macOS	macOS
Cleaner, optimizer and malware scanner in one app Apple-notarized builds	Targets Xcode caches specifically Can reclaim tens of gigabytes
macOS only Young project from a single maintainer	README lists testing only up to macOS 14 and Xcode 15 Only useful if you use Xcode
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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