Tun-d is a rock-solid, hands-free guitar & stringed instrument tuner for the iPhone 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 and alternate tuning presets for guitar. Also presets for banjo, ukulele, mandolin, violin, viola, cello and more.
 

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