# Contagious Mayhem vs Mars Defender

The clearest difference is in-app purchases: Contagious Mayhem at none against Mars Defender's 5. Contagious Mayhem also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Mars Defender sells 5 one-off in-app purchases. Contagious Mayhem asks for nothing beyond the download.

## The numbers

| Metric | Contagious Mayhem | Mars Defender |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Size | 147 MB | 82 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Satakunnan Ammattikorkeakoulu Oy](https://appshunter.io/developer/1607646667) | [Valentina Prossapchuk](https://appshunter.io/developer/1895013467) |

## What reviewers say

### Contagious Mayhem

[App page](https://appshunter.io/ios/app/contagious-mayhem/id6472609324)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mars Defender

[App page](https://appshunter.io/ios/app/mars-defender/id6762791745)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Gold Pack | $0.99 | one-time |
| Medium Gold Pack | $1.99 | one-time |
| Remove ads | $2.99 | one-time |
| Starter Pack | $3.99 | one-time |
| Large Gold Pack | $4.99 | one-time |


## Frequently asked questions

### Is Contagious Mayhem free?

Contagious Mayhem is free to download, with no in-app purchases.

### Is Mars Defender free?

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

### Do Contagious Mayhem or Mars Defender have ads?

Mars Defender shows ads; Contagious Mayhem 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.*