Get this Great Dog Whistle today! Do you wanna train your dogs and cats? Do you hate your neighbor dog because he always barking? This app can help you get rid of all these problems! WHAT THIS APP CAN DO # Train your dog to do tricks # Stop your neighbor dog from barking # Annoy your friends # Recall your dog # Anti dog repellent # Anti-mosquito device - maybe Sound with frequency 20,000 Hz you will not hear probably, but your dog hear the sound very well. Best training app for your pet! Important Notes: Remember to not abuse your animals! Don’t play too loud or too long – it might cause headache or damage hearing. It might be a crime, so don’t use this app on puppies or other small pets.