# NBack 3D

> Education

Canonical page: [https://chrome-stats.com/d/id1407606652](https://chrome-stats.com/d/id1407606652)

## Overview

- **ID:** `id1407606652`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Yasuyoshi Ota
- **Category:** Education
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.1.8
- **Last updated:** 2026-08-28
- **First published:** 2018-08-01
- **Size:** 5.38 MB
- **Data as of:** 2026-09-04
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/nback-3d/id1407606652)
- **Privacy policy:** [https://app.brain-workout.org/app-privacy-policy/](https://app.brain-workout.org/app-privacy-policy/)

## 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
:

## Rankings

- #877,028 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1407606652)