【實用音樂app】bismark iTuner|最夯免費app-綠色工廠好玩App

iTuner is chromatic tuner application for iPhone, iPod touch, and iPad.You can use this app for tuning your various musical instruments.Pitch: 435Hz - 445HzDetection Pitch Range：C1 (32.70Hz *) - B5 (987.77Hz)This app includes advertisements, but you can disable them by using In-App Purchase.*Low-frequency accuracy is slightly inferior