# The Stroop Effect vs FirstVideo for YouTube

The clearest difference is price: FirstVideo for YouTube at Free against The Stroop Effect's $0.99. FirstVideo for YouTube also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (4.3 vs 13.0). The Stroop Effect's advantage is review sentiment (67% vs 24%) and rating (4.0 vs 2.8). On ratings volume, ads, in-app purchases and device support there is nothing between them.

FirstVideo for YouTube is free to download; The Stroop Effect costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

The Stroop Effect holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 20 and 24 respectively. Written reviews point the same way: 67% of The Stroop Effect's written reviews are positive against 24% of FirstVideo for YouTube's.

The Stroop Effect ships an update every 5 months, FirstVideo for YouTube every 2 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | The Stroop Effect | FirstVideo for YouTube |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (20 ratings)](https://appshunter.io/ios/app/the-stroop-effect/id472707380/reviews)** | [2.8 (24 ratings)](https://appshunter.io/ios/app/firstvideo-for-youtube/id548181003/reviews) |
| Number of ratings | 20 | **24** |
| Positive reviews | **66.7% of reviews** | 23.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 36 MB | 5 MB |
| Requires iOS | 13.0 | **4.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Coral Team B.V.](https://appshunter.io/developer/1440041455) | [Tantrum Apps](https://appshunter.io/developer/313857846) |

## What reviewers say

### The Stroop Effect

[App page](https://appshunter.io/ios/app/the-stroop-effect/id472707380)

Test your focus and concentration with a psychological experiment. Challenge your brain to identify colors of words while ignoring their meaning. Features multiple interference levels and a timed challenge.

**Highlights:** Stroop Test variations, Develop memory and concentration, Train ability to focus, Compare results with others, Timed challenges

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### FirstVideo for YouTube

[App page](https://appshunter.io/ios/app/firstvideo-for-youtube/id548181003)

This app offers a safe and controlled environment for children to watch YouTube videos. Parents can curate approved channels and videos, with a simple interface designed for young users. It includes pre-loaded kid-friendly content and a starred videos feature for easy access.

**Highlights:** Kid-friendly YouTube channels, Parental control for video selection, Search for approved YouTube videos, Starred videos for quick access, Universal app for iPhone and iPad, Customizable settings, Disable cellular data usage

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is The Stroop Effect free?

The Stroop Effect costs $0.99, with no in-app purchases.

### Is FirstVideo for YouTube free?

FirstVideo for YouTube is free to download, with no in-app purchases.

### Which has better reviews, The Stroop Effect or FirstVideo for YouTube?

The Stroop Effect is rated higher. The Stroop Effect averages 4.0 out of 5 from 20 ratings, while FirstVideo for YouTube averages 2.8 from 24 ratings.

### Do The Stroop Effect or FirstVideo for YouTube have ads?

Neither The Stroop Effect nor FirstVideo for YouTube shows ads.

### Which is updated more often, The Stroop Effect or FirstVideo for YouTube?

The Stroop Effect ships an update every 5 months, and FirstVideo for YouTube every 2 months. Most recently, The Stroop Effect was updated on October 18, 2026 and FirstVideo for YouTube on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*