# Stroop Challenge Go

> Cognitive Control · Focus Test

Canonical page: [https://chrome-stats.com/d/id6773266246](https://chrome-stats.com/d/id6773266246)

## Overview

- **ID:** `id6773266246`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 晓 郭
- **Category:** Games
- **Version:** 1.0
- **Last updated:** 2026-05-28
- **First published:** 2026-05-28
- **Size:** 873 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/stroop-challenge-go/id6773266246)
- **Privacy policy:** [https://adler0518.github.io/apps\_privacys/StroopChallenge-privacy.html](https://adler0518.github.io/apps_privacys/StroopChallenge-privacy.html)

## Description

Measure cognitive interference and reaction time. The Stroop Effect shows how your brain handles word-color conflict. Daily training sharpens focus and speed.

Stroop Challenge is a precision cognitive training tool based on the Stroop Effect — one of the most replicated findings in experimental psychology — measuring interference between word reading and color recognition.

THE SCIENCE:
The Stroop Effect demonstrates that automatic processing (word reading) can interfere with controlled processing (color identification). Regular exposure to Stroop-type stimuli has been associated with improved selective attention, cognitive flexibility, and processing speed.

TWO VALIDATED MODES:
• Classic (Color-Naming) — Identify the ink color of the presented word. Suppresses automatic reading response.
• Word Match (Word-Reading) — Identify the color named by the word. Tests semantic processing independence.

METRICS TRACKED:
• Score per round (accuracy × speed composite)
• Best accuracy rate (percentage of correct responses)
• Fastest average reaction time (milliseconds per response)
• Session totals: rounds played, correct and incorrect responses
• Combo chains: consecutive correct responses

DIFFICULTY SCALING:
• Easy: 4 color stimuli (Red, Blue, Green, Yellow)
• Medium: 5 color stimuli (adds Purple)
• Hard: 6 color stimuli (adds Orange)

DATA PRIVACY:
All data is stored locally via UserDefaults. No network requests are made. No personal information is collected, transmitted, or shared. The app functions completely offline.

Ideal for daily cognitive warm-up, focus training, or simply exploring one of psychology's most fascinating phenomena.

## Rankings

- #2,221,168 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6773266246)