NBack 3D

by Yasuyoshi Ota · Education · Free

On the App Store since August 2018 · Data updated 2026-10-28

App Store

NBack 3D is made and published by Yasuyoshi Ota. AppBrain is an independent app data site and isn't affiliated with Yasuyoshi Ota. The app name, icon, screenshots and description belong to Yasuyoshi Ota and are shown as published on the App Store.

AppBrain's verdict

Established

Rating on App Store: 5.00; 1 ratings
Last updated: August 28, 2026
Size: 5.38 MB

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Store listing

By Yasuyoshi Ota, from the App Store

Screenshots by Yasuyoshi Ota, from the the App Store listing

Description by Yasuyoshi Ota Written by the developer, not by AppBrain. Click to read.

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
:

Official page on the App Store

Safety and technology

Found in the app by AppBrain

Price: Free
App size: 5.38 MB
Content rating: Everyone

Technologies used by NBack 3D

Releases

Updates seen on the App Store

Version: 1.1.8
Launched: August 2018

No changelog data

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About the app and developer

About NBack 3D

NBack 3D is an education app developed by Yasuyoshi Ota.

What is the rating of NBack 3D?

NBack 3D is rated 5.00 out of 5 stars, based on one rating ratings.

Is NBack 3D free?

NBack 3D is free. The app size is 5.38 MB. The latest version available is 1.1.8. The last update was on August 28, 2026.

What are the requirements for NBack 3D?

The app has a content rating of Everyone. The app has been available on the App Store since August 2018.

Developer information for Yasuyoshi Ota

Yasuyoshi Ota

Address:

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