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 analyzes the frequency spectrum of ambient noise and sets the level of PA systems. It displays audio in 1/3 Octave Bands, Octave Bands, and Fast Fourier Transform (FFT).
Tune mandolins using built-in tuners and reference sounds. Adjust pitch manually or use auto-tune features. Access professional-quality tuning tones and synthetic sounds. Function without internet connection.