The app converts between musical notes, frequencies, and wavelengths. It includes an oscillator to hear frequencies and a frequency tracker that displays the audio waveform.
by Dave Guerin★ 5.01 ratingsUtilities$2.99Data updated 2026-09-19
Tune musical instruments by selecting frequency and tuning settings. Display pitch levels for each string when played. Calibrate piano sound using an open string and . Adjust A4 frequency to 442 Hz.
The app offers a chromatic instrument tuner, pitch pipe, and tuning fork. It features 268 unique temperaments and allows users to define a precise reference frequency.