This is a tuner in which you can see the pitch as a track line. * Overview * You can see the pitch of the sound input in the microphone of iPhone as a track line. Singing to your iPhone, you would recognize your accuracy of pitch, the hiccup, the vibrato and so on in a glance. In addition, you can play the sound of accurate pitch by tapping piano key. Lets practice singing with this tuner! Of course, you can use this tuner for tuning or practicing instruments as well as singing. This App manages a wide range of C0 - B7, so it is also useful for whistling or vocal bass. * In App Purchase * - You can remove ads. Please give us some requests via the function to send feedback in the App or the App Store Reviews.