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AllTrails vs CalTopo: catalog facts
AllTrails	CalTopo
Freemium Free to use, with paid features available.	Freemium Free to use with paid plans for additional features.
iOS, Web	Android, iOS, Web
Large trail database with reviews and photos Route builder for custom trails	Real-time collaborative editing of the same map Slope angle, snow depth, weather and public land layers
Some features are paid Sponsored trail collections appear on the site	Many data layers focus on the United States Some features require a paid plan
Downloadable app, Web application	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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.