Pitch Perfect (Pitch Pipe)
DepollSoft
完美的吉他調音器
o16i Apps
吉他！
On Beat Limited
吉他+ (Guitar)
Rubycell Entertainment
Guitar Songs
Aleksandr Suslov
Guitar-Effects
MiRadio.live
Guitar Tuner
TarrySoft
吉他少女
NEOWIZ
Voice Pitch Analyzer
Purr Programming
電吉他
NETIGEN
