CleanMyMac 5.5.6 for Mac – Ultimate System Cleaner
CleanMyMac 5.5.6 is an all-in-one maintenance utility designed to keep your Mac running at peak performance. While dragging applications to the Trash seems like a complete solution, it often leaves behind hidden cache files, broken preferences, and unnecessary language packs that silently consume your storage space. This application elegantly solves that problem by diving deep into your system directories to locate and safely remove these leftover junk files. Ultimately, it not only reclaims gigabytes of valuable disk space but also significantly enhances your overall system speed and responsiveness.
Typical Mac workflow
Maintaining a clean and healthy Mac is incredibly straightforward with this software. First, you launch the application and initiate a comprehensive Smart Scan across your entire system. Afterward, you review the detected junk files, large forgotten documents, and outdated caches presented in a clean interface. Next, if you want to remove an old app entirely, you use the dedicated Uninstaller module to ensure absolutely no leftover files remain in your Library folder. Furthermore, you can run a quick malware sweep to identify and eliminate any potential security threats. Finally, you can clear your browser histories and chat logs with a single click to ensure your private data stays perfectly secure.
Key Features
- Detect and remove system junk, cache files, and broken login items safely.
- Uninstall applications completely without leaving hidden resource files behind.
- Identify and remove unused language files and unnecessary universal binaries.
- Locate massive forgotten files and old folders taking up valuable disk space.
- Scan for and eliminate potential malware threats to keep your system protected.
- Manage all your installed extensions, widgets, and preference panes easily.
- Erase private browsing traces and chat histories from popular messenger apps.
What’s New
Version 5.5.4 / 5.5.6:
- Resolves several minor underlying software bugs to improve overall system stability.
- Fixes known crash reports to provide a much smoother and more reliable user experience.
Technical Details & System Requirements
- Title: CleanMyMac 5.5.6
- Developer: MacPaw Inc.
- Compatibility: macOS 14.0 or later
- Language: English
- Includes: Pre-Activated (Antibiotics)
- Official Website ↗

