價格：免費
更新日期：2018-06-03
檔案大小：5.2M
目前版本：1.0
版本需求：Android 4.0.3 以上版本
官方網站：mailto:felipe.a.obregon@gmail.com
Simply click the "Hear" button to hear the interval and then click the button with the interval you think you heard. The app will tell you if you're correct and if you are then you can hit "Next" to hear a new randomly generated interval.
