Harmonicity Meter is a handy app to measure the ratio of harmonic to noise energy in a sound spectrum. It provides the user with an easy-to-use interface and the ability to get the measurements in a very short time. The app is very fast and efficient, and all you have to do is to select the sound you want to analyze, press the start button, and let the app do its thing. It will give you the results in a very short time, and if you want to have a look at the results, you can easily do so by pressing the pause button and then the show button.

The app has an option to use the FFT (Fast Fourier Transform) algorithm, and it is possible to get the results in a spectrogram.