StopBarking is the best application of ultrasonic sound thatwillproduce anti-barking sounds from dogs. You know that theneighbor'sdog that always barks for no reason and is usually atdawn. Now youcan make the dog shut up, using StopBarking; in a fewminutes,everything will be quiet and you can go back to sleep inpeace.StopBarking is an easy to use app! It works by emittinganultrasonic sound, which only dogs hear and feel uncomfortablewith.Ultrasonic sound is not harmful to humans or animals, itjustbothers them. The application emits frequencies in the range of21kHz to 45 kHz, and is not harmful to humans. To prevent dogsfrombarking, just click the on / off button, make sure to do it athighvolume. This app is completely free, worth a try! How will thedogbe bothered? When a car alarm is triggered near your home, thereisa hellish sound of sirens that do not stop, and your desire istostay as far away from that noise as possible. It is the samewithdogs, you will not hear the high frequency ultrasonic sound,butdogs will be and will be very uncomfortable and will stopbarking.Be patient and try it! With StopBarking, which usesultrasonicfrequency, you prevent the dog from barking. StopBarkingis thebest application of ultrasonic sound that will produceanti-barkingsounds from dogs. You know that the neighbor's dog thatalwaysbarks for no reason and is usually at dawn. Now you can makethedog shut up, using StopBarking; in a few minutes, everythingwillbe quiet and you can go back to sleep in peace. StopBarking isaneasy to use app! It works by emitting an ultrasonic sound,whichonly dogs hear and feel uncomfortable with. Ultrasonic soundis notharmful to humans or animals, it just bothers them. Theapplicationemits frequencies in the range of 21 kHz to 45 kHz, andis notharmful to humans. To prevent dogs from barking, just clickthe on/ off button, make sure to do it at high volume. This appiscompletely free, worth a try! How will the dog be bothered? Whenacar alarm is triggered near your home, there is a hellish soundofsirens that do not stop, and your desire is to stay as farawayfrom that noise as possible. It is the same with dogs, you willnothear the high frequency ultrasonic sound, but dogs will be andwillbe very uncomfortable and will stop barking. Be patient and tryit!With StopBarking, which uses ultrasonic frequency, you preventthedog from barking.