Usar o APKPure APP
Obter o APK da versão antiga de Music Tools para Android
Calculadora para Música
Music Tools : Calculator for Music, Simple & Fast
> Delay and Frequency Calculator : Calculate length in milliseconds & Hz for several note values.
> Changing the Tempo Calculator : Calculate the change in tempo makes semitones & percent.
> Tap Tempo BPM Calculator : Calculate a BPM(beats per minute) by tapping on the button.