U Bahn Map is an Android application developed by AppStr. It is a high-resolution map of the Berlin subway system that can be used without an internet connection. The app includes all the stations of the U Bahn system, and it is compatible with Android 9.0.

The map is easy to navigate and provides a clear overview of the entire U Bahn network. Users can zoom in and out to view specific areas of the map, and the app allows them to search for specific stations. The app is free to use, and it is ideal for travelers and commuters who need to navigate the city's subway system. Overall, U Bahn Map is a useful and convenient tool for anyone traveling to or living in Berlin.