For a natural sound, use a slower speed (between 20-50ms). For a robotic trap effect, set the speed to 0.

The Ultimate Guide to Waves Tune Real-Time: Free Trials, Workarounds, and Top Free Alternatives

tolerance. Increasing these allows the singer more "room" before the correction kicks in, making the effect subtler. Link Button : Generally, it is better to

: Widely considered the best free autotune plugin in 2026, it offers a highly efficient pitch-correction module with multiple "pitch engines" for natural or aggressive sounds.