Crystal Bowl Tuner

Measure or manually enter a crystal bowl’s note and pitch to discover recommended harmonies based on just intonation, with audio previews.

Crystal Bowl Tuner measures the note and pitch of a crystal singing bowl and suggests harmonious combinations.

Place your iPhone near a single bowl, play the bowl, and start measuring. The app displays the detected note and its pitch deviation in cents, based on A = 440 Hz.

After measuring, the app suggests major chords that include the detected note, along with the recommended notes and pitches for two additional bowls. Choose from three voicing styles:

• Low — deep combinations centered on the lower register • Stable — balanced combinations centered on the middle register • Clear — bright, well-defined combinations centered on the upper register

You can also play electronic sample tones to preview each note and the complete three-note chord.

Crystal singing bowls contain multiple overtones and natural fluctuations. Results may vary depending on the surrounding sound, distance from the iPhone, playing method, and measurement timing. Please use the results as a practical reference when identifying notes and exploring combinations.