Schulte Grid Train Your Eyes app for iPhone and iPad

Schulte grid is to draw 25 squares of 1cm * 1cm on a square card, and fill in the Arabic numerals 1 to 25 in total. During the training, the subjects were required to point out their positions in the order of 1 ~ 25 with their fingers, read out the voice at the same time, while the subjects recorded the time spent. The shorter it takes to count 25 numbers, the higher the level of attention.

Evaluation results
The following data is based on 5X5
Excellent at 7-12 years old and above 26 "
42 "is of medium level
50 "is a big problem
12-17 years old and above 16 "is excellent
26 "is of medium level
36 "is a big problem
Adults aged 18 and over can reach the level of 8 "as soon as possible
20 "is moderate