Muzika 432 Tuning App, is available for iOS and Android phones, computers, tablets and iPads. This tuning App will allow you to tune your instruments to this unequal, Just tuning system at concert pitch A 432 Hertz. The Tuning App includes 10 free songs recorded in this tuning and information on tuning individual instruments. Experience music’s subtlety and beauty, brilliance and power; experience the character and feelings evoked by each individual music key and let your being take flight and resonate with the world around you.