價格：免費
檔案大小：19.5 MB
版本需求：系統需求：iOS 9.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Think fast !
You have 30 seconds to do your best in the Calcul Challenge, break records and make your brain work every day with the Calcul Challenge.
Train you brain every day and challenge your friends !