NBack 3D

Developer: Yasuyoshi Ota

Category: Education

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50 installs

1.00 ratings

1.00 monthly active users

$<10K monthly revenue est.

IAP 27% · Ad 73%

NBack 3D Summary

NBack 3D is a ad-supported, with in-app purchases iOS app in Education by Yasuyoshi Ota. Released in Aug 2018 (7 years ago). It has 1.00 ratings with a 5.00★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 1.00 monthly active users and generates around $<10K monthly revenue (27% IAP / 73% ads). Store metadata: updated Dec 17, 2025.

Store info: Last updated on App Store on Dec 17, 2025 .

SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details

Store ID: 1407606652

First Released: 2018-08-01

Store Last Updated: 2025-12-17

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: 2026-05-24

Ads & App-Ads.txt

Ads.txt Last Crawled: 2026-03-03

Ads.txt Crawl Status: Success

AppGoblin SDK Scans

App not yet analyzed for SDKs.

5★

Ratings: 1.00

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Screenshots

App Description

The task is only to count the 3D shapes of the specified shape and color, but as the N of the N ‘Back increases, it becomes more difficult.

*N’Back : The current answer matches the one from N steps earlier in the sequence.

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