價格：免費
更新日期：2018-08-08
檔案大小：30.6 MB
目前版本：1.4
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Get a friend to record just how fast you throw that bowling ball down the alley.
> tap once when your friend (or enemy) releases the ball.
> tap again when the ball strikes the pins.
> move the character and ball to match real life.
> tap one final time to calculate the speed of the ball.
支援平台：iPhone, iPad