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Gemini 2dupeGuru
Freemium

Free download, with a paid license available to buy from MacPaw.

 Free

Free and open source under the GPL 3.0.

macOS Windows, macOS, Linux
  • Finds similar files as well as exact duplicates
  • Scans Photos and Music libraries
  • Fuzzy image matching finds resized and re-encoded copies
  • Separate music mode that compares tags rather than bytes
  • macOS only
  • Full use requires a paid license
  • Last release was July 2022 and the project is asking for maintainers
  • Fuzzy matching is slow on very large photo collections
Downloadable app Downloadable app
Closed source Open source
License not stated License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 24, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.