Pitch Perfect (Pitch Pipe)
DepollSoft
Perfect Pitch Pop Music Tour
iProm Games
音頻變調 - 速度調整
Luoyu
Pitch Shifter
Music Topia, LLC
Pitch Tuner
Jakob Wankel
Perfect Ear: Music & Rhythm
Crazy Ootka Software AB
Perfect Pitch Trainer
lab.gg
Functional Ear Trainer
Kaizen9 Apps
唱準音-音高監控器
Autumn Rock Software Development
Perfect your Pitch
Clood On Musica