Sum Up! - Mental Math Training app for iPhone and iPad

Improve your memory ability and mental arithmetic skills – with Sum Up!

I bet you catch yourself solving the simplest calculations using a calculator! But why? – because you do not trust your own rusty mental math skills! It´s time to change that!

Sum Up! is a simple arithmetic game to train your brain by adding up numbers. Even a short session once in a while will improve your abilities. Recovering from the shocking results in the first few games you will be addicted once you see improvements! You can track your progress with detailed statistics for each game mode and difficulty. Check if you can keep up with the Sum Up! Score of your friends via Game Center or just unlock some achievements and become a Sum Up!-Pro!