4月15日的Tune Perfect应用程序分析

Simple and effective violin, 6-string guitar and ukulele tuner. By using phone's microphone it will determine the note on particular string and show how far from perfect the tone is. It automatically switch between instrument strings. If your string is within a range of perfect tune, the red ball will appear and start getting closer to a center hole. Once perfect tune is reached - ball will fall into a hole! Task is complete!