# pillchain vs Rules Change

The clearest difference is in-app purchases: Rules Change at none against pillchain's 1. Rules Change also leads on iOS requirement (15.1 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. pillchain sells 1 one-off in-app purchase. Rules Change asks for nothing beyond the download.

## The numbers

| Metric | pillchain | Rules Change |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rules-change/id6758916628/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Monetization | — | Free |
| Size | 336 MB | 191 MB |
| Requires iOS | 26.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beata Koziol-Cholewinski](https://appshunter.io/developer/976110745) | [RICHARD RADI BARKETT](https://appshunter.io/developer/1874992133) |

## What reviewers say

### pillchain

[App page](https://appshunter.io/ios/app/pillchain/id6757984709)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Rules Change

[App page](https://appshunter.io/ios/app/rules-change/id6758916628)

A minimalist puzzle game where the rules constantly change each round. Players must adapt their thinking under pressure to follow new, often contradictory, rules to score higher. It tests mental flexibility and quick decision-making.

**Highlights:** New rule every round, Simple, abstract visuals, Increasing difficulty, Countdown timer, Score based on adaptation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is pillchain free?

pillchain is free to download, with in-app purchases available.

### Is Rules Change free?

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

### Do pillchain or Rules Change have ads?

Neither pillchain nor Rules Change 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.*