CityHikes is a great app for hiking the Cities of Austria, especially Vienna.

It is an online service that allows you to download the latest information about the various hiking paths in Vienna.

It contains all the relevant information for you, such as the exact location of the trail, the duration, the starting point, the ending point, the type of trail, the level of difficulty, and the estimated time of completion.

Moreover, it offers you the opportunity to download a map of the city and its vicinity, as well as a topological map with the location of the trail, so you can always find your way back.