The free version offers excellent pitch correction and a unique "Pitch Tracking" feature. Great for a very simple, "instant-vibe" auto-tune effect. How to use pitcher in fl studio to sound good
Can sound "metallic" or "artifacts-heavy" if pushed too hard on natural vocals. Free Alternatives (Actually Free Downloads)
Pitcher is a real-time pitch-correction and manipulation plugin. It functions as both a subtle tool to fix out-of-tune notes and a dramatic effect to shift vocals to specific scales.
If you don't have the Producer Edition and need a completely free VST, consider these: MAutoPitch (MeldaProduction)