# 4 Games at Once vs Poly Rules!

The clearest difference is update cadence: Poly Rules! at monthly against 4 Games at Once's every 6 months. 4 Games at Once's advantage is review sentiment (100% vs 80%) and iOS requirement (6.0 vs 12.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for 4 Games at Once against 4.8 for Poly Rules!. Both are backed by a comparable volume of ratings — 5 and 13 respectively. Written reviews are what separate them: 100% of 4 Games at Once's written reviews are positive against 80% of Poly Rules!'s.

4 Games at Once ships an update every 6 months, Poly Rules! monthly. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 4 Games at Once | Poly Rules! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/4-games-at-once-impossible-brain-test/id839809935/reviews) | [4.8 (13 ratings)](https://appshunter.io/ios/app/poly-rules/id1115877374/reviews) |
| Number of ratings | 5 | **13** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | Free |
| Size | 9 MB | 111 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GammaLateral LLC](https://appshunter.io/developer/685178329) | [Northeastern University Information Services](https://appshunter.io/developer/455790172) |

## What reviewers say

### 4 Games at Once

[App page](https://appshunter.io/ios/app/4-games-at-once-impossible-brain-test/id839809935)

Experience a unique challenge with four simple games played simultaneously. Test your multitasking abilities and see if you can master this difficult brain game. It's designed to push your skills to the limit.

**Highlights:** Four simultaneous games, Challenging gameplay, Multitasking test, Simple controls, High skill ceiling

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

**In-app purchases:** none


### Poly Rules!

[App page](https://appshunter.io/ios/app/poly-rules/id1115877374)

A challenging sorting game where the rules dynamically change as you progress. It offers increasingly complex scenarios to test your cognitive abilities. Researchers can inquire about using the game for studies.

**Highlights:** Dynamic rule changes, Increasingly complex scenarios, Cognitive benefit focus, Research support available, Log storage and analytics (coming soon)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4 Games at Once free?

4 Games at Once is free to download, with no in-app purchases.

### Is Poly Rules! free?

Poly Rules! is free to download, with no in-app purchases.

### Which has better reviews, 4 Games at Once or Poly Rules!?

4 Games at Once and Poly Rules! are both rated 4.8 out of 5 on the App Store, from 5 and 13 ratings respectively.

### Do 4 Games at Once or Poly Rules! have ads?

Neither 4 Games at Once nor Poly Rules! shows ads.

### Which is updated more often, 4 Games at Once or Poly Rules!?

4 Games at Once ships an update every 6 months, and Poly Rules! monthly. Most recently, 4 Games at Once was updated on October 9, 2026 and Poly Rules! on October 11, 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.*