The best way to restore data on Mac is actually to not lose it at all. Protect it beforehand with Disk Drill. Free Disk Drill offers protecting your important files in different ways: Guaranteed Recovery, Recovery Vault, and S.M.A.R.T. monitoring. It's free and it works amazing, no need to seek the solution for files recovery, because all your files are kept safe.
Deep Scan is not the only recovery algorithm to reconstruct your lost data that is implemented in Disk Drill. In addition to recovering by file's binary structure, you can run a Quick Scan to undelete data that has recently been erased; or Partition Search which offers several sub-algorithms to locate various types of lost partitions; or HFS+ Catalog Rebuild that helps restore corrupted Mac partitions in a matter of seconds.