Topo GPS is a topographic mapping app. You can use it to plan routes and add points with customizable icons to the map. Created routes and points can be automatically synced with your iPhone via iCloud. You can try the app for free, but to use the app with the maps in the highest resolution, you need to purchase a map.

Main features:
- Topographic maps of many countries
- OpenStreetMap
- Planning routes with various transportation means
- Creating and organizing points with customizable icons
- Height profiles
- Entering and displaying coordinates in various formats
- Measuring distances and angles
- Importing and exporting geodata in various formats (gpx/kml/kmz/geojson)


Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/