價格：免費
檔案大小：42.6 MB
版本需求：需要 iOS 10.2 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Train your musical ear. Try to hear how many tones I play. It's fun, it's free and it's a good way to get a better musical ear. You can also compete with your friends and show your best results on Facebook.
支援平台：iPhone