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System Mechanic vs CCleaner: catalog facts
System Mechanic	CCleaner
Paid Paid license, listed at $54.95 and often discounted.	Freemium A free version is available to download from the official site.
Windows	Windows, macOS
Combines junk cleanup, startup management and privacy wiping Automated maintenance through ActiveCare	Clears junk files and browser traces in one place Manages startup items
Windows only Closed source and paid	Closed source Some features are outside the free version
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 October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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