【實用音樂app】Tun-d|最夯免費app-綠色工廠好玩App

Tun-d is a rock-solid, hands-free guitar & stringed instrument tuner developed with a focus on simplicity, accuracy & performance. Tun-d has a high-contrast, bright & stable display making it the easiest, user-friendly tuner available for the iPhone. Standard, chromatic andalternate tuning presets for guitar. Also presets for banjo, ukulele,mandolin, violin, viola, cello and more.