# Rules Change vs Stack 101 Tower

The clearest difference is ads: Rules Change at none against Stack 101 Tower's shown. Stack 101 Tower's advantage is iOS requirement (12.0 vs 15.1). On price, 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.

## The numbers

| Metric | Rules Change | Stack 101 Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rules-change/id6758916628/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 days |
| Monetization | Free | — |
| Size | 191 MB | 54 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RICHARD RADI BARKETT](https://appshunter.io/developer/1874992133) | [ZHENG YU-XIANG](https://appshunter.io/developer/1863257025) |

## What reviewers say

### 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


### Stack 101 Tower

[App page](https://appshunter.io/ios/app/stack-101-tower/id6759484448)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rules Change free?

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

### Is Stack 101 Tower free?

Stack 101 Tower is free to download, with no in-app purchases.

### Do Rules Change or Stack 101 Tower have ads?

Stack 101 Tower shows ads; Rules Change does not.

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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.*