價格：免費
檔案大小：24.4 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
Add One is a simple game where you have to remember numbers and add one to each digit.
It is a way to test your concentration and memory in a specific time. You can keep track of your scores and see if you are improving your immediate memory and recall skills.
An example is 1095 will go to 2106.
支援平台：iPhone