These three tools overlap, but they are built for different people. This is a short, factual overview - not a claim that one is better. Vendors change features and prices, so check each official page before you decide. We make Rain Cleaner, so read our part with that in mind.
BleachBit is free and open-source software (GPLv3 or later) for Windows and Linux. It removes caches, cookies, history and logs for many applications, can shred files and wipe free disk space, has a portable Windows version and a command-line interface, and can import winapp2.ini cleaner definitions for many extra programs.
It is a good fit if you want a transparent, scriptable cleaner and are comfortable choosing categories yourself. Its official feature set focuses on cleaning, privacy, file shredding, free-space wiping and scripting rather than broader PC-health or driver-management features.
CCleaner is a long-established Windows cleaner with Free and paid editions. CCleaner Free includes cleaning and privacy-related tools; paid editions add features such as a driver updater, software updater, real-time monitoring, scheduled cleaning and priority support. Professional is advertised from about 29.95 US dollars for the first year with higher renewal pricing, and higher tiers add more devices and bundled tools such as file recovery - check ccleaner.com for current prices and promotions.
It is a fit if you want a familiar, polished tool with a bundle of utilities and are comfortable with recurring paid plans.
Rain Cleaner (Windows 10/11, 64-bit) is built around showing what it found and why before anything is removed, with an explanation for each item, an action history you can export (and one-click undo for reversible changes in Pro). The Free version has no ads and no time limit; it includes cleaning, a look at drivers and hardware, a game booster and startup manager, drive-health and hardware information in Performance Lab, DNS measurement and ransomware protection. Pro adds automation (scheduled autopilot, cleaning when space runs low), all available driver updates at once, Performance Lab advisors and up to 3 PCs on one key; there is a free 14-day trial with no card. Pro is 5.99 euro a month, 34.99 a year or 74.99 once.
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You want open source and full manual control: BleachBit.
You want a long-established tool with an ecosystem of add-ons and are happy to pay for the paid tier: CCleaner.
You want every deletion explained first, no ads in the free version and undo in Pro, and can accept an unsigned build for now: Rain Cleaner.
Read what a cleaner is about to delete, keep Downloads and the Recycle Bin out of automatic rules unless you mean it, and remember that cleaning does not make an old CPU or too little RAM faster. Windows' own Storage settings and Disk Cleanup already cover the basics - see our guides on freeing disk space and on the Windows 11 PC health check.
Last updated: 2026-10-01
That depends on what you value. We built Rain Cleaner around explaining every change, with no ads in the free version and one-click undo in Pro; CCleaner has a longer history and a broader utility bundle. Compare the official pages.
It is open source and widely used, but like any cleaner it can delete things you wanted to keep. Review the selected categories before cleaning.
Not necessarily. Windows Storage settings, Storage Sense and Disk Cleanup handle the basics; a cleaner mainly saves time and adds visibility.
Built-in tools first, and what to check before you delete.
A practical order to check before you change anything.
A short, ordered checklist before you change anything.
Read the ID, understand it and search the maker's official page.
What is safe to remove, and what needs a second look.
Look first, back up, then remove - with Android's own tools.
Why they appear and how to remove them without losing a good shot.
Free, no account, no subscription. Windows 10 and 11.