# Poly Rules! vs Alpha Matrix

The clearest difference is update cadence: Poly Rules! at monthly against Alpha Matrix's every 3 months. Alpha Matrix's advantage is iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Poly Rules! ships an update monthly, Alpha Matrix every 3 months. The most recent releases landed on September 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Poly Rules! | Alpha Matrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/poly-rules/id1115877374/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 111 MB | 60 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Northeastern University Information Services](https://appshunter.io/developer/455790172) | [Balasubramanian Ramanathan](https://appshunter.io/developer/1497624706) |

## What reviewers say

### 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


### Alpha Matrix

[App page](https://appshunter.io/ios/app/alpha-matrix/id1185758177)

**In-app purchases:** none


## Frequently asked questions

### Is Poly Rules! free?

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

### Is Alpha Matrix free?

Alpha Matrix is free to download, with no in-app purchases.

### Do Poly Rules! or Alpha Matrix have ads?

Neither Poly Rules! nor Alpha Matrix shows ads.

### Which is updated more often, Poly Rules! or Alpha Matrix?

Poly Rules! ships an update monthly, and Alpha Matrix every 3 months. Most recently, Poly Rules! was updated on September 24, 2026 and Alpha Matrix on October 4, 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.*