Official Swisstopo topographic maps are the best outdoor maps for Switzerland.
A topographic map contains many details like height contours, small roads and land usage and is thus ideal for navigating outdoors.
In the Topo GPS app you can purchase the best topographic map of Switzerland, the 1:25.000 map produced by Swisstopo. Swisstopo is the national mapping organisation of Switzerland.
Full access to the complete topographic map of Switzerland costs € 3.99 / CHF 4.00. Free lifetime updates are included. The map is available on all devices that use the same Apple ID or Google Play account.
You can make the topographic maps offline available. In this way you are sure that the maps you need are always accessible.
The topographic map has a clear legend with explanations of all symbols.
The Topo GPS app offers many additional useful features to the topographic map. Like navigating, loading, planning and following routes and adding points to the map. Topo GPS contains all functions of a regular GPS device.