Makes from your phone or tablet a complete GPS device with detailed topographic maps. Viewed maps will be stored on your device so that Topo GPS can also be used offline. Why should you buy an expensive GPS device if you can install Topo GPS? Topo GPS contains all functions of a regular GPS device for less money, has a much more detailed map, and is more convenient to operate. The accuracy of the position determination is in favorable conditions about 5 m. Ideal for walking, hiking, cycling, m