【實用音樂app】GtTune|最夯免費app-綠色工廠好玩App

GtTune looks very simple, but has the tuning function with high accuracy and chord book.[SimpleTune]You can easily tune the strings of all use a simple tuning function.- Key pitch is 440Hz.- Accuracy of tuning is a plus minus 0.5Hz.[Chord]- You can check a guitar chord.- You can zoom it by double click or pinch in/pinch out.