CCleaner does not collect personal data without user consent, though it may collect usage statistics to improve the app and its services.

Yes, CCleaner can be used offline for cleaning and optimizing your system, although some features may require an internet connection for updates or additional functionality.

You can cancel your CCleaner subscription through your account settings on the CCleaner website or by contacting their customer support for assistance.

The subscription cost for CCleaner varies depending on the plan chosen, with options typically ranging from a few dollars a month to a discounted annual fee.