# Mutant Attack vs Sky Express Run

The clearest difference is ads: Sky Express Run at none against Mutant Attack's shown. Sky Express Run also leads on update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Mutant Attack ships an update every 2 weeks, Sky Express Run every 2 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Mutant Attack | Sky Express Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2.1K ratings)](https://appshunter.io/ios/app/mutant-attack-mad-scientists/id6736934144/reviews)** | — |
| Number of ratings | **2.1K** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 311 MB | 327 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [RollingStudio](https://appshunter.io/developer/1462929474) | [Sherry Games Private Limited](https://appshunter.io/developer/1874674165) |

## What reviewers say

### Mutant Attack

[App page](https://appshunter.io/ios/app/mutant-attack-mad-scientists/id6736934144)

Control four powerful arms to grab and toss mad scientists across action-packed levels. Test your reflexes and precision with simple tap mechanics in this fast-paced game. Race through thrilling stages to achieve ultimate victory.

**Highlights:** Four powerful arms for control, Tap to aim and grab, Toss mad scientists, Action-packed levels, Fast-paced tap action, Simple controls

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

**In-app purchases:** none


### Sky Express Run

[App page](https://appshunter.io/ios/app/sky-express-run/id6759095229)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mutant Attack free?

Mutant Attack is free to download, with no in-app purchases.

### Is Sky Express Run free?

Sky Express Run is free to download, with no in-app purchases.

### Do Mutant Attack or Sky Express Run have ads?

Mutant Attack shows ads; Sky Express Run does not.

### Which is updated more often, Mutant Attack or Sky Express Run?

Mutant Attack ships an update every 2 weeks, and Sky Express Run every 2 days. Most recently, Mutant Attack was updated on October 24, 2026 and Sky Express Run on October 22, 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.*