The app generates periodic signals with adjustable frequency and amplitude for testing electronic circuits. It also includes a tuner for instruments and a metronome for practice.
by michael heinz★ 4.0153 ratingsUtilitiesFreeData updated 2026-09-22
The app helps users tune instruments like pianos, guitars, and violins, and even voices. It identifies the fundamental sound frequency and displays the nearest note and deviation.
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.