| Primary strength |
Best overall: popular, simple cleaner with broad features |
All-in-one tune-up suite with many advanced tools |
Lightweight utility bundle with a strong free tier |
| Cleaning coverage |
Junk/temp files, browser caches, history, cookies, and more |
Junk files, registry, browser traces, and system leftovers |
Disk cleanup, registry cleaner, broken shortcuts, and more |
| Performance optimization |
Startup manager, app uninstaller, disk analyzer |
Startup and service manager, system tune-up, defrag tools |
Startup manager, memory optimizer, context-menu manager |
| Privacy & browser cleaning |
Good browser cleaning with control over history and cookies |
Privacy eraser for browser and app usage traces |
Tracks eraser, file shredder, and history cleaning |
| Extras & utilities |
Software updater, duplicate finder, system tools (edition-dependent) |
Registry defrag, password generator, system monitoring |
File shredder, encryption, undelete, and multiple tweak tools |
| Automation & scheduling |
Automatic cleaning and monitoring in Professional plans |
Scheduled cleanups and auto-optimization options |
1-click maintenance and support for scheduled tasks |
| Interface & ease of use |
Very simple layout; friendly for non-technical users |
Colorful dashboard with many options for power users |
Tabbed interface; slightly more technical but still accessible |
| Platforms |
Windows, macOS, and Android (different apps) |
Primarily Windows-focused |
Primarily Windows-focused |
| Free vs paid |
Free version plus Professional editions with extra features and support |
Free core features; Pro adds more tools and support |
Robust free version; Pro adds automation and priority support |
| Best for |
Most Windows users who want a trusted, easy system cleaner |
Tinkerers who want a deeper tune-up and optimization suite |
Budget-focused users who like lots of tools in one free package |