Dog Trainer is an easy-to-use tool for training your pet, either with a clicker or a whistle. There are several clicker training tutorial videos included in the app. You can choose from 2 different clicker sounds, and 5 level of frequencies. The whole feature set is available in the trial mode for unlimited time, but it's ad supported. If you like the app, or you would like to use it without the ads, please buy it!