NoDog

You are afraid of dogs?
Or do you want dangerous dogs chase off?
With this app, you have the best defensive dogs!
Here, the iPhone works with very high frequency sounds that humans can not hear nomal

With Flashlight

This sound is very annoying for the dog. The dog will try to leave the beam area as soon as possible.
The dog you are doing so out of the way!
Super for joggers, postmen, cyclists ...