Dog whistle Android App

The description of Dog whistle: You have a naughty dog? Forget about expensive dog training classes! Here comes the best free dog whistle app for androidtm that will help you for sure. Whistles for dogs have a much greater advantage in dog training in relation to human voices and represent excellent dog training equipment. Human voice can vary depending on their emotions while a dog whistle sound is always constant. With this dog training whistle you can call him from a distance teach your puppy to learn new tricks or make him stop barking and making a mess. It is also good for those who are afraid of dogs and want a whistle that works as a dog repellent. The frequency of this so called silent dog whistle sound is 22000hz and it is above the range of human hearing. It doesn 39 t produce the loud irritating noise that an audible whistle would produce so it can be used to train or command a dog without disturbing nearby people..