# The Stroop Effect vs Прогрессоры by MTS

The clearest difference is price: Прогрессоры by MTS at Free against The Stroop Effect's $0.99. Прогрессоры by MTS also leads on update cadence (every 3 weeks vs every 5 months). The Stroop Effect's advantage is rating (4.0 vs 2.1) and ads (none vs shown). On ratings volume and in-app purchases there is nothing between them.

Прогрессоры by MTS 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 2.1. Both are backed by a comparable volume of ratings — 20 and 7 respectively. Written reviews point the same way: 67% of The Stroop Effect's written reviews are positive against 57% of Прогрессоры by MTS's.

The Stroop Effect ships an update every 5 months, Прогрессоры by MTS every 3 weeks. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | The Stroop Effect | Прогрессоры by MTS |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (20 ratings)](https://appshunter.io/ios/app/the-stroop-effect/id472707380/reviews)** | [2.1 (7 ratings)](https://appshunter.io/ios/app/by-mts/id6695751210/reviews) |
| Number of ratings | **20** | 7 |
| Positive reviews | **66.7% of reviews** | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 36 MB | 242 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Coral Team B.V.](https://appshunter.io/developer/1440041455) | [Future Crew LLC](https://appshunter.io/developer/1769188190) |

## 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


### Прогрессоры by MTS

[App page](https://appshunter.io/ios/app/by-mts/id6695751210)

Discover entertainment ideas, movies, series, and places with personalized recommendations and an AI chat assistant. Earn rewards by completing tasks and playing games, which can be exchanged for discounts and partner offers.

**Highlights:** Personalized entertainment recommendations, AI-powered chat assistant, Rewards program (procoins), Discounted mobile plans, Games for earning rewards, Smart search for activities and places

**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 Прогрессоры by MTS free?

Прогрессоры by MTS is free to download, with no in-app purchases.

### Which has better reviews, The Stroop Effect or Прогрессоры by MTS?

The Stroop Effect is rated higher. The Stroop Effect averages 4.0 out of 5 from 20 ratings, while Прогрессоры by MTS averages 2.1 from 7 ratings.

### Do The Stroop Effect or Прогрессоры by MTS have ads?

Прогрессоры by MTS shows ads; The Stroop Effect does not.

### Which is updated more often, The Stroop Effect or Прогрессоры by MTS?

The Stroop Effect ships an update every 5 months, and Прогрессоры by MTS every 3 weeks. Most recently, The Stroop Effect was updated on October 18, 2026 and Прогрессоры by MTS on October 14, 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.*