Do you have a dog? Dog Whistle can train your dog! Whistle when the dog does something bad.
Teach your dog new tricks, no barking and better behavior!
You can also use it as anti dog repellent whistle.
Touch and hold the Whistle image to play the whistle sound.
Choose your own whistle frequency to train your dog. App contains frequency: from 100hz to 20100hz.
Just download for free Dog Whistle and enjoy!