
PianoMeter transforms your Android or iOS device into a professional-grade piano tuning tool. Unlike standard chromatic tuners that use a generic temperament, this app actively measures the tonal characteristics of each note to automatically calculate the ideal “stretch” for your specific piano. It creates a custom tuning by finding the best compromise between intervals like fifths, fourths, and octaves, much like an experienced aural tuner.
The app offers functionality for all levels:
PianoMeter stands out by automatically calculating the optimal stretch and analyzing multiple intervals and partials simultaneously for a more accurate and stable tuning.