PIANOMETER

PianoMeter is a user-friendly piano tuning app that will transform your Android or iOS device into a professional quality electronic tuning aid... PianoMeter is a professional piano tuning app for Android and iOS. Unlike regular chromatic tuning apps that simply tune to a pre-calculated equal temperament, this software actively measures the tonal characteristics of each note and automatically calculates the ideal piano tuning.

Also known as: Anthony Willey