The app uses your device's internal microphone to display the pitch of the notes you sing into it. It also records your singing as you perform so you can go back through your performance and review your pitch accuracy.
The App contains the musical scores lots of sight singing exercises. Once you click 'start' it will measure the pitch you sing for each note and provide feedback so that you can know if that pitch is correct or not.
It breaks down a large library of common and unusual rhythmic patterns using a grid and gets you to ‘play’ the rhythms yourself by tapping on the screen. You can also create and then test yourself on your own rhythms.