Perfect Pitch Trainer
klisis
Perfect Ear: Music & Rhythm
Crazy Ootka Software AB
Pitch Perfect (Pitch Pipe)
DepollSoft
Pitch Shifter
Music Topia, LLC
Pitch Tuner
Jakob Wankel
音頻變調 - 速度調整
Luoyu
Pitch Gauge - 屋頂應用
Pitch Gauge LLC
lab.gg
Functional Ear Trainer
Kaizen9 Apps
Clear Pitch Perfect Pitch Pro
Clear Pitch Pty Ltd