價格：免費
檔案大小：24.1 MB
版本需求：需要 iOS 12.1 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
A useful companion for umpires, this app allows you to keep track of the balls, strikes, outs, and the inning!
Want to have a non-traditional game with 7 balls, 2 strikes, and 10 outs? You can also set the maximum number of each category.
支援平台：iPhone, iPad, Apple Watch