Duplicate Zapper 1.0.5 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program belongs to System Tools. The actual developer of this Mac application is Intego Inc. We cannot guarantee that the program is safe to download, so we recommend checking it with any free antivirus first.
From the developer:
Duplicate Zapper lets you find and delete duplicates from your Mac. The application safeguards critical system and application files, removes unnecessary clutter, frees up disc space for more important things, boosts your Mac’s performance, and lets you control what gets scanned.
With Auto Select, you get more search control and faster results: sort by name, extension, size, type and more.
You may want to check out more software for Mac, such as Duplicate Photo Cleaner, Easy Duplicate File Finder or Cisdem Duplicate Finder for Mac, which might be similar to Duplicate Zapper.