Disk Drill is available in a Free/Basic version and a Pro version for $89.
Disk Drill is a Mac data recovery software designed natively for Mac OS: easily protect your files from accidental deletion with Recovery Vault and recover lost data from Mac disks. When something is deleted Recovery Vault makes it possible to recover not only the file itself, but also its properties, such as original file name, location, etc. So you will always be able to recover data from Mac files system (HFS/HFS+) and FAT32 partitions. Disk Drill also includes more...
- Disk Drill launch speed on OS X 10.11
- Our super-fast full-disk recovery with HFS+ Catalog Rebuild is now available for more cases of accidental data loss
- Recovery sessions can now be saved at any moment of the scanning progress, even when nothing was found yet
- Indexing existing data by Recovery Vault and Guaranteed Recovery
- OS X 10.6.8 or later