# StroopEffect2

> Psychology experiment app demonstrating the Stroop effect with a time-trial game. (iPhone/iPad app by Yasuyoshi Ota.)

- Source: https://appshunter.io/ios/app/stroopeffect2/id1050388935 (this page in markdown: same URL + `.md`)
- Developer: [Yasuyoshi Ota](https://appshunter.io/developer/1500357652)
- Category: Education, Utilities
- Price: $2.99
- Age rating: 4+
- Requires: iOS 15.6 · 2 MB
- Languages: American English, French (France), German (Germany), Hindi, Japanese, Chinese (Simplified, China), European Spanish, Tamil, Chinese (Traditional, Taiwan)
- Released: 2015-10-26
- Data updated: 2026-08-31
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/stroopeffect2/id1050388935/reviews.md

## What is StroopEffect2?

Stroop Effect Experiment app.
Time Trial Game.
Stroop Effect(from WIKIPEDIA in 2011.01.21)
In psychology, the Stroop effect is a demonstration of the reaction time of a task. When the name of a color (e.g., "blue," "green," or "red") is printed in a color not denoted by the name (e.g., the word "red" printed in blue ink instead of red ink), naming the color of the word takes longer and is more prone to errors than when the color of the ink matches the name of the color.

## Key features

- Stroop effect demonstration
- Time trial game mode
- Cognitive processing experiment
- Reaction time measurement
- Educational psychology tool

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/stroopeffect2/id1050388935/reviews.md

### 4/5 — メールの設定方法

*2022-07-07*

ストループテストがやりたくて落としました。簡易的で使いやすいです。メールへ記録を送りたいのですが、設定されていないと出ます。どうやったら設定ができますか？

## Frequently asked questions about StroopEffect2

### What is the StroopEffect2 app?

StroopEffect2 is an application designed to demonstrate the Stroop effect, a psychological phenomenon. It functions as a time-trial game where users identify the color of words, even when the word's text and meaning conflict.

### How does StroopEffect2 work?

The app presents words that name colors, but the ink color of the word may differ from the word's name. Users must quickly identify the ink color, which takes longer and is more error-prone when there's a mismatch, illustrating the Stroop effect.

### What is the price of StroopEffect2?

StroopEffect2 is available for a one-time purchase of $2.99.

### What devices support StroopEffect2?

StroopEffect2 is compatible with iPhones, iPads, and iPods.

### When was StroopEffect2 last updated?

The latest version, 1.4.3, was last updated on October 20, 2025.

### What is the age rating for StroopEffect2?

StroopEffect2 has an age rating of 4+, making it suitable for a wide range of users.

### Does StroopEffect2 have ads?

No, StroopEffect2 is ad-free, providing an uninterrupted user experience.

### Can StroopEffect2 be used offline?

The description does not specify offline functionality, but as a single-player experiment app, it is likely to function without an internet connection.

## Version history (last 5 releases)

### 1.4.4 — 2026-08-30

performance improvement

### 1.4.3 — 2025-10-20

performance improvement

### 1.4.2 — 2023-05-21

performance improvement

### 1.4.1 — 2021-10-02

Performance improvements.

### 1.4 — 2020-06-24

Performance improvements.
Now works on iPad as well as iPhone.

## Apps similar to StroopEffect2

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [A Course of Love](https://appshunter.io/ios/app/a-course-of-love/id6751425710) | — | $19.99 | Education |
| [Back in Time](https://appshunter.io/ios/app/back-in-time/id450345693) | 4.6 (25) | $7.99 | Education |
| [Floreo VR](https://appshunter.io/ios/app/floreo-vr/id6747214923) | 5.0 (2) | Free | Education |
| [かなもじ for iPhone (ひらがな & カタカナ)](https://appshunter.io/ios/app/for-iphone-and/id545913143) | — | $3.99 | Education |
| [筆算の学習（わり算・かけ算）](https://appshunter.io/ios/app/id1049200102) | — | $0.99 | Education |
| [EYT Go/NoGo](https://appshunter.io/ios/app/eyt-gonogo/id919065618) | 4.5 (2) | $9.99 | Education |

## More apps by Yasuyoshi Ota

- [Kinetic Visual Acuity](https://appshunter.io/ios/app/kinetic-visual-acuity/id315045189)
- [Kinetic Visual Acuity Lite](https://appshunter.io/ios/app/kinetic-visual-acuity-lite/id319026009)
- [Amida Mikan](https://appshunter.io/ios/app/amida-mikan/id350563115)
- [Try Hairstyle Lite](https://appshunter.io/ios/app/try-hairstyle-lite/id350729683)
- [Amida Mikann](https://appshunter.io/ios/app/amida-mikann/id358691639)
- [2 Digit Multiplication](https://appshunter.io/ios/app/2-digit-multiplication/id395133470)

All apps by Yasuyoshi Ota: https://appshunter.io/developer/1500357652

## Related topics

[stroop effect](https://appshunter.io/ios/topics/stroop-effect)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*