Antares Auto-Key is an automatic key, scale, and tempo detection plugin. It is designed to "supercharge" your workflow by analyzing your music in real-time or via file upload and then sending that information to every instance of Auto-Tune in your session. How to Get a Free Download of Antares Auto-Key (3 Options) 1. Auto-Key Mobile (Completely Free)
The only version that is permanently free to download is . It is available for both iOS and Android. free download antares auto-key