12月21日的Pitch Pal: Learn Perfect Pitch应用程序分析

Perfect pitch — an amazing talent, impossible to learn as an adult — is easily taught to kids using our scientifically-backed method. Our aim is for the process to be entirely hands-off. We make learning engaging for your child, and let you know how much progress they've made. Requires purchase. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/