The Rundumadum app is intended to provide an overview of the Vienna Rundumadum hiking trail. It should serve to plan a hike and the individual stages, as well as for navigation during the hike. Various types of maps are available for easier navigation, including topological maps with altitude information and satellite maps. There is a digital hiking pass in the app. Collected stamps can be entered in the hiking pass for completed hiking trails. From a certain number of stamps collected, you ge