GetDataBack is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is TestDisk, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to GetDataBack and many of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to GetDataBack are PhotoRec (Free, Open Source), R-Studio (Paid), Disk Drill (Freemium) and Autopsy Forensic Browser (Free, Open Source).
Disk Drill is a data recovery software that easily protects your files from accidental deletion with Recovery Vault and recovers lost data from disks. Disk Drill supports most of storage drives, file types and file systems.
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.
UFS Explorer Professional Recovery is an advanced software solution oriented to respond to special requirements of those who are competent in data recovery and take a professional approach to the task, dealing with severe or peculiar data loss cases.
ApowerRecover is a desktop program that can recover deleted data for your Windows and Mac computer, hard drives, memory cards, camcorders, digital camera, external disk, etc. It supports standard scan, deep scan and preview data.