價格：免費
檔案大小：22.5 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Do you have a variable income? If so, you need to save for taxes and make sure you're staying on target for financial independence.
Use this simple calculator to calculate how to transfer money anytime and make sure you're staying on target for a savings rate that will let you retire early (you know, if that's the sort of thing you want to do. Totally up to you.)
支援平台：iPhone, iPad