價格：免費
檔案大小：120.4 MB
版本需求：需要 iOS 6.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
A fun new racing game where you use your ears to power your player's speed. You will hear 2 notes. Identify the interval between the 2 notes correctly to move your player faster and win the race. There is also a drill mode where you can practice the different intervals.
支援平台：iPhone, iPad