Sleep on Train app for iPhone and iPad
A tool for your travel or daily communication with train, subway or bus.
It let you have a good nap in the train without worrying about missing your station.
Just select your destination and alarm range of this destination, it will wake you up when you enter the predefined region.
A noise cancellation option is also provided to control the outside noise for a better sleep.
Note:
The location accuracy may affected by the signal condition and your phone configuration.
Continued use of GPS running in the background can dramatically decrease battery life.