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PhotoSweeper vs dupeGuru: catalog facts
PhotoSweeper	dupeGuru
Paid Paid app with a free trial download.	Free Free and open source under the GPL 3.0.
macOS, iOS	Windows, macOS, Linux
Works with Apple Photos, Capture One and Lightroom Classic Finds similar shots, not just exact duplicates	Fuzzy image matching finds resized and re-encoded copies Separate music mode that compares tags rather than bytes
Paid after the trial Mac only on the desktop	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
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

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