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Duplicate Detective is the most comprehensive duplicate finder for your Mac. It quickly scans your hard drive to find all the duplicate files and folders on your Mac. You can then selectively choose which duplicates to delete and free up precious space on your hard drive.

  • Crisp and Clean Interface
    • Intuitive and easy to navigate
    • Retina-ready graphics
    • Scan individual or multiple folders in one go
    • Drag and drop support to add folders before scanning
  • Robust Search Engine
    • Files compared via our advanced SHA-1 hash checksum

What's New

Version 1.98 (1.92):

Note: Currently available for $3.99.
Note: The downloadable demo is version 1.92; the version available for purchase on the Mac App Store is version 1.98.

  • Added support for Touch Bar
  • User interface improvements
  • Improved auto selection controls


  • OS X 10.7 or later

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Duplicate Detective User Discussion


Current Version (1.x)


Downloads 598
Version Downloads 262
License Commercial
Date 19 Nov 2016
Platform Intel 64 / OS X
Price $4.99
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