Brain123:AdjustableDifficulty!

Brain training app created by a rehabilitation specialist
We created this app because we wanted a brain training app that allows fine adjustment of difficulty level.
The target range is wide, from children to the elderly, it can be brain training.
For children, it can be used as eye movement training, and practicing to move the eye quickly affects how fast the mind can think.
For the elderly, it affects situations that require attention and visual search ability, such as bicycling and driving.

An iPhone can display from 1 to 20 numbers, and an iPad can display from 1 to 50 numbers.
On an iPad, it can display from 1 to 50 numbers!
Hiragana can also be displayed.

Brain training apps used by professionals in hospitals, clinics, and at home!
Train your frontal lobe and improve your attention span and visual search ability!
You can also measure changes in results depending on the number of letters and the size of the letters, so you can train your brain from various angles!
Adjust the difficulty level to provide brain training that suits your needs!