Music Transpose - Key Changer for iPhone - Free App Download
MP3 Key Changer Download - Small tool able to change the key of MP3
Technoblogy - Audio Pitch Shifter
Audio Speed Pitch Changer by Suresh Verma
If you guys want to pitch shift / change keys with your music subscription account (e.g. Apple Music, Spotify) you can with the “Djay” app in iOS mobile. You don't even need
Music Speed Changer, Change Tempo & Pitch of Audio Independently
Online Key and Tempo Change Tool for Audio, Music and Songs