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Mac Sai vs BuhoCleaner: catalog facts
Mac Sai	BuhoCleaner
Free Free and open source.	Freemium Free download, with a paid license sold on the developer's site.
macOS	macOS
Cleaner, optimizer and malware scanner in one app Apple-notarized builds	Junk cleanup, duplicate finder and large file search in one app Visual disk space analyzer
macOS only Young project from a single maintainer	macOS only Full use requires a paid license
Downloadable app	Downloadable app
Open 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 October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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