# Poly Rules! vs Ball move Block

The clearest difference is rating: Poly Rules! at 4.8 against Ball move Block's 4.4. Ball move Block's advantage is review sentiment (98% vs 80%) and iOS requirement (8.0 vs 12.0). On price, ratings volume, ads and in-app purchases 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! holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 13 and 5 respectively. Written reviews complicate that: 80% of Poly Rules!'s written reviews are positive against 98% of Ball move Block's, so the app with the better star average is not the one people write more warmly about.

## The numbers

| Metric | Poly Rules! | Ball move Block |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/poly-rules/id1115877374/reviews)** | [4.4 (5 ratings)](https://appshunter.io/ios/app/ball-move-block/id1390358930/reviews) |
| Number of ratings | **13** | 5 |
| Positive reviews | 80.0% of reviews | **98.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | Free |
| Size | 111 MB | 69 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Northeastern University Information Services](https://appshunter.io/developer/455790172) | [Tri Dinh](https://appshunter.io/developer/1007113478) |

## 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


### Ball move Block

[App page](https://appshunter.io/ios/app/ball-move-block/id1390358930)

Control a growing snake ball by eating blocks to extend its length. Navigate an endless game with simple swipe controls and challenge friends for the highest score.

**Highlights:** Control ball to eat blocks, Grow longer snake ball, Endless gameplay, Simple swipe controls, Challenge high scores

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

**In-app purchases:** none


## Frequently asked questions

### Is Poly Rules! free?

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

### Is Ball move Block free?

Ball move Block is free to download, with no in-app purchases.

### Which has better reviews, Poly Rules! or Ball move Block?

Poly Rules! is rated higher. Poly Rules! averages 4.8 out of 5 from 13 ratings, while Ball move Block averages 4.4 from 5 ratings.

### Do Poly Rules! or Ball move Block have ads?

Neither Poly Rules! nor Ball move Block shows ads.

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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.*