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CalTopo vs onX Offroad: catalog facts
CalTopo	onX Offroad
Freemium Free to use with paid plans for additional features.	Paid Paid subscription with a 7-day free trial of the Elite plan.
Android, iOS, Web	Android, iOS
Real-time collaborative editing of the same map Slope angle, snow depth, weather and public land layers	Large database of off-road trails with difficulty ratings Offline maps and GPS navigation
Many data layers focus on the United States Some features require a paid plan	Requires a paid subscription after the trial Focused on the United States
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account 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.