N'Back 10 Dual app for iPhone and iPad

"NBack 10 Dual" is an n-back app that handles two tasks at once. This is a dual-task version of "NBack 10".

◆1Back --- 10Back
◆Flash Mode / Step Mode
◆flash time can be changed

Tap the number key matches the one from N steps earlier in the sequence.

In 1Back
1 task1: count & memorize
2 task2: count & memorize
3 __keyboard__: answer for task1
4 task3: count & memorize
5 __keyboard__: answer for task2
6 task4: count & memorize
:

In 2Back
1 task1: count & memorize
2 task2: count & memorize
3 task3: count & memorize
4 __keyboard__: answer for task1
5 task4: count & memorize
6 __keyboard__: answer for task2
7 task5: count & memorize
: