Virsyn Voice Harmonizer Harmony Voice (iOs)

is a Voice Harmonizing App, sing and add another Voice snd correct it, also works with acoustic instruments and make you sing the female part as well, alsocshows the accuracy of sour singing pitch / intonation

The Algorithm seems much like it derived from the VST/AU Plugin Klon, which does exactly the same plus formant changing..

Gesang und monophone Instrumente doppeln per App und als Plugin – Mach (dir) deine Stimme zur Frau (Mann), verChore dich mit DualCore, nutze den Harmonizer und Tonhöhenkurve zum Intonations-Check.