Compare software

Prunr vs Cisdem Duplicate Finder: catalog facts
Prunr	Cisdem Duplicate Finder
Free Free and open source under the MIT licence.	Paid Free download to try, with a paid license for full use.
Windows, macOS, Linux	Windows, macOS, iOS
Duplicate finder and disk usage analyser in one app Previews and auto-selection for safer cleanup	Compares files by content, not just names Finds similar photos as well as exact duplicates
Young project with a small user base No documented command-line mode	Full version requires purchase Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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