# One Brain

> Does the color match the text?

Canonical page: [https://chrome-stats.com/d/id1229367064](https://chrome-stats.com/d/id1229367064)

## Overview

- **ID:** `id1229367064`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Erik Wegener
- **Category:** Word
- **Rating:** 4.40 / 5 (297 ratings)
- **Version:** 2.10
- **Last updated:** 2026-08-08
- **First published:** 2017-04-24
- **Size:** 9.68 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/one-brain/id1229367064)
- **Website:** [https://wegenerlabs.com](https://wegenerlabs.com/)
- **Privacy policy:** [https://wegenerlabs.com/ob-privacy.html](https://wegenerlabs.com/ob-privacy.html)

## Description

One Brain draws inspiration from the Stroop effect—a classic cognitive test that reveals how we handle conflicting information. In this fast-paced game you race the clock to resolve mixed signals and make the right call before time runs out. The challenge trains your entire brain as you suppress automatic responses and sharpen processing under pressure.

Three game modes keep things fresh: Colors — does the displayed color match the word's color? Arrows — is the arrow pointing in the direction it says? Numbers — is a math equation true or false? How high can you score under pressure?

## Rankings

- #91,476 — Overall

## Review summary

Reviews praise the game as a challenging brain-teaser with mental-training value, but flag multiple usability flaws that hinder play: overly strict, non-adjustable timing; unreliable scoring; disruptive popups; unclear instructions; and intrusive ads. The app shows potential as a free educational game, but current design flaws limit consistent enjoyment.

### Pros

- Challenging and fun to play, offering a real brain-training experience.
- Viewed as a brain-training game that can help improve mental dexterity.
- Overall positive sentiment in some reviews (e.g., 'Very nice', 'full stars').
- Free to play.

### Cons

- Time limit is too strict and not adjustable, making it hard to respond.
- Scoring is unreliable or misregisters correct answers.
- Intrusive popups, especially 'Time Up' messages, interrupt gameplay.
- Instructions are unclear or hard to review once the app starts.
- Ads disrupt the experience (including adult-oriented ads).

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1229367064)