The S-Bahn Berlin app is the perfect companion for your train travel needs. It provides a complete timetable for all modes of transportation in Berlin and Brandenburg, including real-time information and alternative routes. The app also offers line networks for S-Bahn, U-Bahn, Regio, Bus, and Tram. It even alerts you to any disruptions in the S-Bahn service.

The app also features useful contact and phone number information for when you're on the go, including information on public toilets. You can also search for connections from your own location, and the app will provide you with footpath routing. It also displays the correct part of the city map, including your current location, and shows nearby stops, including their distance and direction.

The app sorts stations with toilets by distance, and you can even save connections to your calendar with just a few clicks. The app also has access to your location, calendar, and address book, but only for app functions like footpath routing and saving connections.

If you have any suggestions or feedback for the app, you can contact the developer at Overall, the S-Bahn Berlin app is a must-have for anyone traveling by train in Berlin and Brandenburg.