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Lyn vs HoudahGeo: catalog facts
Lyn	HoudahGeo
Paid Paid app with a fully featured 15-day free trial.	Paid Paid app with a free trial.
macOS	macOS
Reads RAW, HDR and all formats macOS supports Non-destructive editing with curves and levels	Several geotagging methods: GPX tracks, reference photos and maps Writes coordinates into the files themselves
macOS only Paid after the 15-day trial	Mac only Paid after the trial
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 October 1, 2026

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