# Cow Ducker vs Contagious Mayhem

The clearest difference is in-app purchases: Contagious Mayhem at none against Cow Ducker's 1. Cow Ducker's advantage is update cadence (every 8 days vs every 2 months) and iOS requirement (10.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. Cow Ducker sells 1 one-off in-app purchase. Contagious Mayhem asks for nothing beyond the download.

Cow Ducker ships an update every 8 days, Contagious Mayhem every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Cow Ducker | Contagious Mayhem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/cow-ducker/id1491272826/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 147 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Squidbeak Studios](https://appshunter.io/developer/1798286565) | [Satakunnan Ammattikorkeakoulu Oy](https://appshunter.io/developer/1607646667) |

## What reviewers say

### Cow Ducker

[App page](https://appshunter.io/ios/app/cow-ducker/id1491272826)

An addictive infinite runner where you guide a cow to jump over spikes and duck under birds. Master two game modes, Endless and Challenge, to unlock new characters and test your skills.

**Highlights:** Infinite running gameplay, Jump and duck mechanics, Endless mode, Challenge mode with 40 levels, Unlockable characters, High score chasing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Contagious Mayhem

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cow Ducker free?

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

### Is Contagious Mayhem free?

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

### Do Cow Ducker or Contagious Mayhem have ads?

Neither Cow Ducker nor Contagious Mayhem shows ads.

### Which is updated more often, Cow Ducker or Contagious Mayhem?

Cow Ducker ships an update every 8 days, and Contagious Mayhem every 2 months. Most recently, Cow Ducker was updated on November 3, 2026 and Contagious Mayhem on November 4, 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.*