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HoudahGeo vs GeoTag: catalog facts
HoudahGeo	GeoTag
Paid Paid app with a free trial.	Free Free, from the developer's site or the Mac App Store.
macOS	macOS
Several geotagging methods: GPX tracks, reference photos and maps Writes coordinates into the files themselves	Set a photo's location by clicking on a map Uses ExifTool, so metadata edits do not degrade the image
Mac only Paid after the trial	macOS only Current version requires macOS 26 or later
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it 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.