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Cisdem Duplicate Finder vs Gemini 2: catalog facts
Cisdem Duplicate Finder	Gemini 2
Paid Free download to try, with a paid license for full use.	Freemium Free download, with a paid license available to buy from MacPaw.
Windows, macOS, iOS	macOS
Compares files by content, not just names Finds similar photos as well as exact duplicates	Finds similar files as well as exact duplicates Scans Photos and Music libraries
Full version requires purchase Closed source	macOS only Full use requires a paid license
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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