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- Classic mode: complete as many levels as you can and unlock different colors.
- Timer mode: solve as many math problems as you can within the time limit.
- 1vs1 mode on iPad: play against your friends, kids, mom, dad, neighbour, cats, anybody.
- NUM on Apple Watch: a cute little watch app that trains your mental calculation skills while on the go.

NUM speaks different languages: English, French, German, Dutch, Simplified Chinese, Traditional Chinese, Italian, Spanish, Japanese, Korean.

Say hi or send feedbacks to us on Twitter @numappco
Kien Tran