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
The app analyzes instrument sounds to find the fundamental frequency. It displays the nearest note and the difference between the played note and the target.
The app analyzes sound from songs, the microphone, or a Line In device. It displays results in Waveform, Spectrum, and Spectrogram views, showing frequency distribution and audio signals over time.
The app generates ordinary and numbered musical notation (nmn) on screen with an Italian harpsichord sound. Users can change keys, octaves, accidentals, and formatting, and play back melodies.
