N'Back

Developer: Yasuyoshi Ota

Category: Education

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150 installs

3.00 ratings

2.00 monthly active users

$<10K monthly revenue est.

IAP 27% · Ad 73%

N'Back Summary

N'Back is a ad-supported, 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 2.00 monthly active users and generates around $<10K monthly revenue (27% IAP / 73% ads). Store metadata: updated Dec 19, 2025.

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

SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details

Store ID: 591320567

First Released: 2013-01-09

Store Last Updated: 2025-12-19

In-App Purchases: Yes

Ads: Yes

Website: app.brain-workout.org

App Store

Crawl Status: Success

AppGoblin First Crawled: 2021-02-06

AppGoblin Last Crawled: 2026-04-04

Ads & App-Ads.txt

Ads.txt Last Crawled: 2026-03-03

Ads.txt Crawl Status: Success

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4★

Ratings: 3.00

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Screenshots

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
: