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Cleaner One Pro vs CCleaner: catalog facts
Cleaner One Pro	CCleaner
Freemium Free to download from Trend Micro, with some features offered as a paid upgrade.	Freemium A free version is available to download from the official site.
Windows, macOS	Windows, macOS
Shows what is filling the disk and helps free up space Available for both macOS and Windows	Clears junk files and browser traces in one place Manages startup items
Closed source commercial software Offers little that the built-in system storage tools cannot do	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 2, 2026	Official website Full listing and sources Checked September 23, 2026

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