| If you want... | Use this Plugin | | :--- | :--- | | | MeldaProduction MHarmonizerMB | | Quick Octave doubles / Simple shifts | Graillon 2 Free | | Dreamy / Pad-like backing vocals | Acon Digital Multiply |
| Plugin | Key Features | Best For | |--------|--------------|-----------| | (Free "Elements" version) | 5 vocal effects modes (including "Polyvoice" for harmonies), real-time MIDI control, pitch correction, saturation | Full-featured, professional harmonies with creative effects | | GVST GHarmonizer V3 | Up to 4 harmony voices, pitch shift per voice (semitone & cent), pan & level controls, delay per voice, low CPU | Simple, reliable, classic pitch-shifting harmonizer | | Auburn Sounds Graillon 2 (Free edition) | Pitch tracking, real-time pitch shifting, throat length modeling, built-in pitch correction, up to 2 octaves shift | Live performance and natural-sounding harmonies | | Voxengo Harmonizer | 2 harmony voices, formant correction, adjustable delay and feedback, pitch detune, zero latency | Transparent, studio-quality harmonies | | Polyverse Music Manipulator (Free "Lite" version) | Real-time pitch & time manipulation, formant shifting, granular mode, MIDI controllable | Experimental and creative harmonies | free vocal harmonizer plugin
is technically a chorus effect, but it includes a "Voice" mode that generates up to 4 voices. It is incredibly simple if you just want a thickening effect rather than a specific melodic harmony. | If you want
Allows playing exact harmony notes via keyboard. Allows playing exact harmony notes via keyboard