N'Back

150 installs
3.00 ratings
5.00 monthly active users
$<10K monthly revenue est.
IAP 100% · Ad 0%

N'Back Summary

N'Back is a with in-app purchases iOS app in Education by Yasuyoshi Ota. Released in Jan 2013 (13 years ago). It has 3.00 ratings with a 4.00★ (good) average. Based on AppGoblin estimates, it reaches roughly 5.00 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Dec 19, 2025.

Store info: Last updated on App Store on Dec 19, 2025 .


4★

Ratings: 3.00

5★
4★
3★
2★
1★

Screenshots

App screenshot
App screenshot
App screenshot

App Description

Improve Sensory Memory & Working Memory using N'Back.
◆Flash Mode / Slow Mode / Step Mode

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

In 1'Back
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 2'Back
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
: