►► WARNING - DOWNLOAD THE NEW APP INSTEAD

Instead of buying this app, please download the new Gaia GPS app. You can find it by searching for "Gaia GPS" - then scroll down and download the app with the gold border.

We're maintaining Offline Topo Maps for existing users, but our work is focused on the new app.

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Offline Topo Maps (OTM) is a simpler version of our full-featured backcountry app, Gaia GPS.

OTM is the best simple topo app on the App Store, with the best maps, and the best support. Get in touch with the six+ hikers that develop OTM at [email protected]

* download maps of the entire world
- USGS topo maps and aerial imagery
- OpenStreetMap-based topo and road maps of the world
- USGS topos for Alaska and NRCan topos for Canada
- highest resolution USGS topos on the App Store

* fast, functional, stable, and easy-to-use for even novice hikers

* mark waypoints and get guidance to and from places

* use metric, imperial, or nautical units

* display coordinates in Decimal, UTM, MGRS, DMS, or Decimal Minutes

* fully auto-rotatable for widescreen maps and other views


Warning: Continued use of GPS running in the background can dramatically decrease battery life.