Having spent considerable time testing various methods to achieve pitch correction in Audacity—ranging from native plugins to third-party VSTs—I can confidently say that the experience is a mixed bag. It is functional, but it is far from glamorous. This review covers the viability, the sound quality, and the workflow of using Auto-Tune in Audacity.
You cannot beat the price. For a podcaster who just hit one sour note on an otherwise perfect take, the built-in Pitch Correction effect is a lifesaver. It scans the selection, detects the pitch, and snaps it to the nearest semitone in your chosen scale. auto tune audacity