HDDScan is a Free test tool for hard disk drives, USB flash, RAID volumes and SSD drives. The utility can check your disk for bad blocks in various test modes. Developed by Artem Rubtsov
License: Free
HDDScan is a versatile tool primarily focused on surface testing and diagnostics with a portable format, while CrystalDiskInfo excels in S.M.A.R.T monitoring and real-time drive health reporting but requires installation. Both tools serve essential functions for hard drive management, but their features cater to different user needs.