This is an app that instantaneously graphs the pitch of sound inputted via the microphone. The time is represented on a horizontal axis, and the scale is represented on a vertical axis.

The app includes:
- Real-time pitch input from the microphone is displayed.
- Show 6 octaves of music, from C2 to B7.
- Automatically scroll the range of the display.
- Write out the current scale in the upper portion of a screen.
- Align with a screen's horizontal rotation.
- A hold can be made by tapping "HOLD" in the top right corner of the screen.
- Capturing and playing back
- The Save/Load feature
- Scale adjustment
- Settings for each note's color

While the app is this feature-rich, it also comes with restrictions, such as only being able tor record up to three minutes.