The SF Muni Buses app for iOS and Android is a completely free travel app that shows you all of the latest bus schedules and maps for San Francisco and San Francisco Muni Buses.

The app has a map that shows all of the available Muni bus stops and the locations of each of the Muni bus lines. Each of the stops is represented as a small icon on the map. When you tap on the icon, the app will open up the stop details, including its exact location, how many buses stop there, as well as the line the stop is on. You can see the location of each of the stops in relation to the location of your current location.

You can also see the timetable for each of the stops.