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PhotoSweeper vs Czkawka: catalog facts
PhotoSweeper	Czkawka
Paid Paid app with a free trial download.	Free Free and open source under the MIT licence, with no advertising.
macOS, iOS	Windows, macOS, Linux, Android
Works with Apple Photos, Capture One and Lightroom Classic Finds similar shots, not just exact duplicates	Finds duplicates, similar images, similar videos and similar music Written in Rust and multithreaded, with caching for repeat scans
Paid after the trial Mac only on the desktop	The Czkawka GTK interface ends at 12.0; new work goes to Krokiet Similar-image matching produces false positives you must review
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
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.