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Photo Supreme vs IMatch: catalog facts
Photo Supreme	IMatch
Paid Paid software with a 30-day free trial and no credit card required.	Paid Commercial software sold by photools.com.
Windows, macOS, Linux	Windows
Handles very large catalogs Keeps your existing folders and metadata	Standard-compliant metadata management Catalogs RAW, video, audio, PDF and Office files
Paid after the 30-day trial Focused on cataloging rather than editing	Windows only Paid software
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
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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