價格：免費
檔案大小：12.4 MB
版本需求：需要 iOS 9.3 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
This app is designed to help a person determine how much of a tip they should leave based on the total amount of the bill and the percentage they want to leave.
Sometimes, it's hard to do math on the spot and this will help with that.
Keep up to date with add on features that will make it even easier.
支援平台：iPhone, iPad