Chord! Free (Guitar Chords)
RabugenTom
SimplyTune: Guitar,Tuner,Chord
Lagoon Apps
吉他调音器-简易调音
HetsoftApps: guitar tuner & other tuning app's
Guitar Tuner: Metronome Tune
OZ APPS
吉他调音器
TarrySoft
Guitar Tuner
CherrySoft Limited
Developer Useful
吉他调谐器
appsmz
Workpail
keuwlsoft