Drive Genius is described as 'hard drive utility that speeds up, cleans up and optimizes your Mac' and is an app in the OS & Utilities category. There are seven alternatives to Drive Genius for a variety of platforms, including Mac, Windows, Linux, BSD and Haiku. The best alternative is TestDisk, which is both free and Open Source. Other great apps like Drive Genius are DiskWarrior (Paid), DriveDx (Paid), OnTrack EasyRecovery (Paid) and iDefrag (Paid).
DiskWarrior is the safest, most technologically advanced, most powerful utility to eliminate directory damage and recover your files, folders and documents. DiskWarrior is so advanced it can even recover your data from a failing hard drive.
This is a Windows version of the Data LifeGuard Diagnostics. It will test WD internal and external drives. In additional, it can provide you with the model and serial of WD drives attached to the system.