# N'Back Butterfly

> Action

Canonical page: [https://chrome-stats.com/d/id853507894](https://chrome-stats.com/d/id853507894)

## Overview

- **ID:** `id853507894`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Yasuyoshi Ota
- **Category:** Action
- **Version:** 1.9.5
- **Last updated:** 2026-08-26
- **First published:** 2014-04-08
- **Size:** 8.83 MB
- **Data as of:** 2026-09-23
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/nback-butterfly/id853507894)
- **Privacy policy:** [https://app.brain-workout.org/app-privacy-policy/](https://app.brain-workout.org/app-privacy-policy/)

## Description

Forget about forgetfulness!
Improve your memory!
Improve Working Memory using N'Back Butterfly.

The n-back task is a continuous performance task that is commonly used as an assessment in cognitive neuroscience to measure a part of working memory. The n-back was introduced by Wayne Kirchner in 1958.
[quoted from Wikipedia　2014-04-02]

## Rankings

- #1,257,250 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id853507894)