Violin Tuner
TarrySoft
小提琴调音器
TrueStudio
大提琴调音器
Beat Blend Labs
Ultimate Violin Tuner
Tabs4Acoustic - The only guitar tuner you need
小提琴调音器 - LikeTones
LikeTones
Cello
azexsolutions
吉他及小提琴调音器
A4tune Labs
Guitar Tuner - Simply Tune
Simply Ltd
吉他调音器-简易调音
HetsoftApps: guitar tuner & other tuning app's
Guitar Tuner: Metronome Tune
OZ APPS