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CCleaner vs Avast Cleanup: catalog facts
CCleaner	Avast Cleanup
Freemium A free version is available to download from the official site.	Paid Paid product with a free trial.
Windows, macOS	Windows
Clears junk files and browser traces in one place Manages startup items	Junk file removal and registry cleaning in one tool Targets slow boot times
Closed source Some features are outside the free version	Paid after the trial Registry cleaning brings little measurable benefit on modern Windows
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 23, 2026	Official website Full listing and sources Checked September 24, 2026

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