價格：免費
更新日期：2018-11-21
檔案大小：15.6 MB
目前版本：1.01
版本需求：需要 iOS 10.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Want to improve your maths skills? Mental maths ain't your greatest strength?
Drag the card up to select and confirm - release to find out if you were right!
Sum It is designed to help people of all skill levels and ages improve their arithmetic skills, through fast-paced, challenging, and fun modes.
Challenge your friends and family for the highest score!
Easy-to-learn controls, and addictive gameplay mechanics.
No In-App Purchases, or adds - pay once to play.
支援平台：iPhone