Comparison

Cow Evolution vs Egg Evolution

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

Head to head
About

Cow Evolution

Merge cows to discover new mutant creatures and build a unique farm. Collect resources, upgrade equipment, and customize your animals with various accessories. Explore different worlds and unlock mysterious species in this idle clicker game.

Highlights
  • Merge cows to discover mutant creatures
  • Collect coins and crystals
  • Upgrade farm equipment
  • Customize animals with accessories
  • Discover new worlds and species
  • Idle clicker gameplay
Features
Read full description

Become the biggest animal farmer in Cow Evolution! Merge cows and discover amazing new mutant creatures. Collect coins and crystals, upgrade your equipment and become an animal farm tycoon. Play Cow Evolution for FREE* now and discover all the mysterious species! Everything on the farm was just cows when mutations and evolutions started to create amazing creatures! Merge the animals and build a farm with a variety of mutated monsters. You can also customize your animals with various items such as hats, clothes, and accessories, and discover other worlds with mysterious creature species. IDLE CLICKER GAME Tap and collect resources to evolve your cow farm. There are hundreds of items for you to collect, with discoveries that can lead you to discover more mutant cow species and ensure your progress through the game. Level up your farm, customize your cows with hats, clothes, and accessories, and share the creatures you've discovered with your friends. MERGE COW SPECIES There are three main stages in this animal evolution simulator: monster cows, alpaca cows, and alien cows. Test different combinations between these three stages and expand the number of mutant creatures on your farm. The more discoveries you make, the more cows and items you earn to increase your catalog of discovered species and expand the monsters on your farm. ANIMAL MUTANT FARM Put on your farmer outfit and start taking care of your mutant cows. Complete the main quests of the idle clicker game and earn items to customize your animals. There are many options of hats, hair, clothes, and accessories to make your farm much more fun. Remember to play every day to collect more coins and crystals, and share your farm with your friends. *Cow Evolution is a free idle merge clicker game. However, it has additional features and extra items that can be purchased in the in-game store.

About

Egg Evolution

Embark on a heartwarming journey as a lone egg yolk seeking belonging. Merge creatures to evolve them into various forms, from chickens to dinosaurs, and tap for extra rewards in this idle clicker adventure.

Highlights
  • Heartwarming narrative
  • Choose evolutionary paths
  • Merge mechanics for evolution
  • Tap for extra rewards
  • Dynamic evolutionary world
  • Idle clicker gameplay
Features
Read full description

Embark on an epic journey in "Egg Evolution - Merge Game" a captivating mobile game that unfolds the heartwarming story of a lone egg yolk's Tamago quest for belonging. It all began when the solitary yolk sought refuge and companionship, forming an inseparable bond with the egg white. Together, they discovered a home within a unique eggshell, marking the commencement of their extraordinary adventure in this idle clicker game. As the Tamago egg began its journey, it underwent evolution and mutations, presenting players with a fascinating choice – will it evolve into a majestic dragon, a humble chicken, or a formidable monster or t-rex? The game's mechanics revolve around the fusion of two species to create a third, earning coins for each novel evolutionary step. To expedite this process, players must continuously enhance the abilities of their existing heroes. Additional coins can be earned by tapping on individual heroes, with each tap carrying its own unique value. Key Features: 1. Heartwarming Narrative: Join our courageous Tamago egg protagonist and its loyal egg white companion on a quest for a home and identity. The journey unfolds through captivating visuals and a compelling storyline, providing an emotional backdrop to the evolutionary adventure in idle clicker game. 2. Choose Your Evolutionary Path: Decide the fate of your Tamago egg hero – will it become a majestic dragon, a clucking chicken, or a fearsome t-rex? Each choice unlocks a unique set of challenges and opportunities, shaping the course of the adventure. 3. Evolutionary Mechanics - Merge Game: Merge two eggs to create a t-rex or chicken, earning coins with each successful fusion. These coins play a crucial role in accelerating the evolutionary process of the idle clicker game. To progress further, constant upgrades of existing heroes are essential, making strategic decisions a key aspect of gameplay. Сhickens are evolved down the dinosaur line a long time ago. It is also correct that reptiles (lizards & dinosaurs) were laying eggs a long time before some of them grew feathers & took to the skies....& then some lost the use of their wings & began running around the undergrowth. So to answer that apparently unanswerable question " which came first, the chicken or the egg?" Of course it was the egg which came first, millions of years before the chicken came along or not? 4. Tap for Extra Rewards: Enhance your coin collection by tapping on individual heroes, each tap offering a distinct value. Strategic tapping is crucial for obtaining additional coins and boosting the evolutionary journey. 5. Dynamic Evolutionary World: Witness the egg's evolution from a single-cell organism to formidable beings such as giant dinosaurs. We offer you to choose for yourself - which came first, the chicken or the egg in the idle clicker game. The game introduces genetically mutated creatures, providing an exciting and dynamic evolutionary experience. 6. Race Through Evolution - Merge Game: Experience the thrill of racing through different stages of evolution, encountering challenges, and unlocking new species. Сhickens are evolved down the dinosaur line. It is also correct that dinosaurs laid eggs. So to answer that apparently unanswerable question " which came first, the chicken or the egg?" Of course it was the egg which came first, but whose egg? The incremental clicker game mechanics keep the gameplay exciting and engaging. Conclusion: "Egg Evolution - Merge Game" offers a delightful blend of heartwarming storytelling, strategic gameplay, and charming visuals. Dive into the exciting world of evolving eggs, choose your evolutionary path, and embark on an idle game adventure that combines the joy of evolution with the thrill of tapping. Download now and witness the evolution of a Tamago egg like never before!

Screenshots

Cow Evolution4 screens
Egg Evolution4 screens

Verdict

The call

The clearest difference is ads: Egg Evolution at none against Cow Evolution's shown. Egg Evolution also leads on iOS requirement (12.0 vs 15.0). Cow Evolution's advantage is update cadence (every 10 days vs every 29 months) and review sentiment (80% vs 50%). On price, rating, in-app purchases and monetization model 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 Evolution sells 12 one-off in-app purchases and Egg Evolution sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Cow Evolution against 4.7 for Egg Evolution. That said, the two scores are not equally well evidenced: Cow Evolution has 23K ratings behind it against 34, so its average is the more settled of the two. Written reviews are what separate them: 80% of Cow Evolution's written reviews are positive against 50% of Egg Evolution's.

UpkeepUpdate frequency

Cow Evolution ships an update every 10 days, Egg Evolution every 29 months. The most recent releases landed on September 25, 2026 and August 16, 2026 respectively.

Scorecard5 real differences · 5 level
Cow Evolution versus Egg Evolution: the parameters behind the verdict, then further details
ParameterCow EvolutionEgg Evolution
PriceFreeFree
Rating4.7 (23K ratings)4.7 (34 ratings)
Positive reviews79.8% of reviews — better50.0% of reviews
Number of ratings23K — better34
Update frequencyEvery 10 days — betterEvery 29 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size153 MB89 MB
Age rating9+4+
DeveloperTPG TECNOLOGIA DA INFORMACAO LTDABohdan Savchenko

Customer experience

Cow Evolution

All ratings23,282 ratings
Positive94.1%
Neutral3.1%
Negative2.9%
Written reviews1,866 reviews
Positive79.8%
Neutral5.8%
Negative14.4%

Egg Evolution

All ratings34 ratings
Positive91.2%
Neutral5.9%
Negative2.9%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Cow Evolution

Reported bugs

2 issues
  • Achievements not tracking correctly
  • Upgrade buttons disappearing or becoming unresponsive

Requested features

4 requests
  • Ability to create custom cows
  • More diverse cow evolution paths
  • Improved ad monetization model
  • Faster crate opening times

Egg Evolution

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Cow Evolution

One-time12
  • ads removal$0.99
  • pack with 60 diamonds$1.99
  • instant coins doubler$1.99
Show 9 more
  • pack of diamonds$1.99
  • pack of rubies$1.99
  • small frost gem pack$1.99
  • Promo Bundles Very High$2.99
  • pack with 200 diamonds$3.99
  • big pack of rubies$4.99
  • income doubler$5.99
  • pack with 500 diamonds$6.99
  • Trinket$6.99
9 purchases

Egg Evolution

One-time9
  • 60 Gems$0.49
  • Remove all ads$0.99
  • 150 Gems$0.99
Show 6 more
  • 400 Gems$1.49
  • 1000 Gems$1.99
  • Special offer 2$1.99
  • Special Offer$2.99
  • 3000 Gems$3.99
  • 10000 Gems$7.99

Questions

Is Cow Evolution free?
Cow Evolution is free to download, with in-app purchases available.
Is Egg Evolution free?
Egg Evolution is free to download, with in-app purchases available.
Which has better reviews, Cow Evolution or Egg Evolution?
Cow Evolution and Egg Evolution are both rated 4.7 out of 5 on the App Store, from 23K and 34 ratings respectively.
Do Cow Evolution or Egg Evolution have ads?
Cow Evolution shows ads; Egg Evolution does not.
Which is updated more often, Cow Evolution or Egg Evolution?
Cow Evolution ships an update every 10 days, and Egg Evolution every 29 months. Most recently, Cow Evolution was updated on September 25, 2026 and Egg Evolution on August 16, 2026.

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