Digit4 app for iPhone and iPad

Anytime, anywhere easy brain training!

[How to Play]
Select the question format of the problem in the beginning.

"Digits" in the number
Addition, subtraction, multiplication, computation among division "type"
"Number of questions" of the problem

Three select respectively.
Select the question format of questions and tap the "START" will begin.

Answer is to choose from among the four, we will correct the number and select the correct answer is added.


[Features of the app]
Since the choice of the question format yourself, you solved your favorite issue.
Since the question format is displayed in the calculation by writing, is the calculation is easy.
Since the number of questions it is their choice, short time and travel time before going to sleep, it is also ideal for spare time!

Download now to try the brain training!


【price】
Apps body: Free