Use it inside AUM, Cubasis, Logic Pro, or any iOS app that supports Audio Units, or as a stadalone app. NB ChromaticTuner analyzes audio in real time to detect pitch and display tuning information. Performs real-time chromatic pitch detection on any audio input — guitar, bass, winds, or vocals — and displays the nearest note, deviation in cents, and frequency. Designed for musicians, producers, and live performers who want to tune instruments without leaving their AUv3 host.