CleanMyMac X, developed by MacPaw Inc., is a proprietary system optimization and cleaning utility for macOS. Version represents a minor, iterative update within the 4.x lifecycle, primarily focusing on stability improvements, compatibility fixes for macOS updates (specifically Ventura 13.x and Sonoma 14.x), and backend database updates for malware definitions.
For new users, this version represents a highly polished, stable entry point into the software. It’s an excellent way to reclaim 10-20GB of "System Data" junk and keep your Mac feeling snappy. cleanmymac 4.15.13