Comparison

Cow Ducker vs Contagious Mayhem

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Cow Ducker

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
Read full description

The fun and addicting infinite running cow game that you didn't know you wanted. Don't let the cute cow fool you, this game is harder than it looks! == HOW TO PLAY == • Press the UP button to jump over spikes • Press the DOWN button to duck under birds == GAME MODES == Endless mode • Run and avoid enemies for as long as you can • Start with 3 lives. If you get hit 3 times, it's game over! • Unlock new characters as you get higher scores Challenge mode • Reach the goal without hitting any enemies • 15 EASY levels, 15 MEDIUM levels, and 10 HARD levels. Can you complete all 40 levels? • Unlock new characters when you complete specific levels (Formerly known as Dododino)

About

Contagious Mayhem

Features
Read full description

Get ready to dive into the microscopic world with "Contagious Mayhem"! This game provides a perfect blend of fun, learning, and excitement, that transforms you into a virtual germ fighter. In this fast-paced and thrilling game, your mission is to sanitize various surfaces and spaces, all teeming with a variety of microbes that you need to identify and disinfect. As you progress, you'll encounter tougher, more resilient germs, bacteria, viruses, and fungi, each with its unique strengths and weaknesses. Utilize a wide array of disinfectants, each equipped with unique capabilities to combat different types of microbes. The game encourages strategic thinking as players must decide the best approach to handle each wave of microbial invasion. But the game isn't just about mayhem! It's also an educational tool, giving players a better understanding of different types of microbes, their characteristics, and how they spread. Through engaging gameplay, players learn about hygiene and public health in a way that's fun and interactive. With high-quality graphics, a captivating storyline, and countless levels, Contagious Mayhem offers endless entertainment while promoting science education. Perfect for players of all ages looking for a game that's as challenging as it is enlightening. So gear up and join the fight against germs in Contagious Mayhem, where every clean surface is a victory! The game has been developed in the Peliselli project (The project is funded by the REACT-EU instrument's appropriations as part of the actions implemented by the European Union in response to the COVID-19 pandemic) and in the ARPO project funded by the Regional Council of Satakunta. The making of the game has also been funded by the Academy of Finland (decisions 337863 and 337861). In collaboration with: SAMK – Wander Research Centre, SAMK, and the City of Rauma.

Screenshots

Cow Ducker4 screens
Contagious Mayhem4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Cow Ducker versus Contagious Mayhem: the parameters behind the verdict, then further details
ParameterCow DuckerContagious Mayhem
PriceFreeFree
Rating4.9 (27 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings27 — better—
Update frequencyEvery 8 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better12.0
Further details — not scored
Size12 MB147 MB
Age rating4+12+
DeveloperSquidbeak StudiosSatakunnan Ammattikorkeakoulu Oy

In-app purchases

1 purchases

Cow Ducker

One-time1
  • Remove Ads$0.99
None

Contagious Mayhem

No in-app purchases

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.

Other comparisons