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onX Hunt vs CalTopo: catalog facts
onX Hunt	CalTopo
Paid Paid subscription with a free trial.	Freemium Free to use with paid plans for additional features.
Android, iOS	Android, iOS, Web
Public and private land ownership boundaries Hunting layers such as GMUs and access	Real-time collaborative editing of the same map Slope angle, snow depth, weather and public land layers
Requires a paid subscription after the trial Proprietary service tied to an account	Many data layers focus on the United States Some features require a paid plan
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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