Comparison

Cow Evolution vs Sloth 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

Sloth Evolution

Combine mutant sloth species to discover new breeds and unlock their hidden potential. This idle evolution game features a unique story, doodle-like illustrations, and open-ended gameplay.

Highlights
  • Combine mutant sloth species
  • Discover new sloth breeds
  • Unlock hidden potential
  • Idle clicker gameplay
  • Unique story with twists
  • Doodle-like illustrations
Features
Read full description

Being named after the laziest deadly sin gave sloths an unfair stigma, and it’s up to you to change that! Combine crazy mutant sloth species to create surprising new breeds of these slow-blooming creatures and discover their hidden potential! You’ll find that sloths can be loving pets, highly proficient climbers and incredibly efficient trackers… If you’re willing to wait a little, that is. LAZY FEATURES - Pantheon: a new place for supreme beings to look down on us mortals and laugh at our misery -Impostors: watch out for impostors trying to steal the spotlight from the sloths HOW TO PLAY - Drag and drop similar sloths to create new mysterious creatures -Use sloth eggs to earn coins, buy new creatures and make even more money -Alternatively, fiercely tap a sloth to make coins pop from their eggs HIGHLIGHTS -Different stages and many sloth species to discover -A mind-blowing story with awesome (but slowly-developing) twists! -The unexpected mix of alpaca-like evolution and incremental clicker games -Doodle-like illustrations -Open-ended gameplay: enjoy the freedom! -No sloths were harmed in the making of this game, only developers Sloth wisdom: the best things take a loooooooong time to happen. Disclaimer: While this App is completely free to play, some additional content can be purchased for real money in-game. If you do not want to use this feature, please turn off in-app purchases in your device's settings. Like our page on Facebook and be the first to know about our upcoming games and updates! http://fb.com/tappshq

Screenshots

Cow Evolution4 screens
Sloth Evolution4 screens

Verdict

The call

The clearest difference is ratings volume: Cow Evolution at 23K against Sloth Evolution's 141. Cow Evolution also leads on update cadence (every 10 days vs every 6 weeks). Sloth Evolution's advantage is review sentiment (91% vs 80%). On price, rating, ads and in-app purchases 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 Sloth Evolution sells 15 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 4.8 for Sloth Evolution. That said, the two scores are not equally well evidenced: Cow Evolution has 23K ratings behind it against 141, 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 91% of Sloth Evolution's.

UpkeepUpdate frequency

Cow Evolution ships an update every 10 days, Sloth Evolution every 6 weeks. The most recent releases landed on September 30, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level
Cow Evolution versus Sloth Evolution: the parameters behind the verdict, then further details
ParameterCow EvolutionSloth Evolution
PriceFreeFree
Rating4.7 (23K ratings)4.8 (141 ratings) — better
Positive reviews79.9% of reviews90.9% of reviews — better
Number of ratings23K — better141
Update frequencyEvery 10 days — betterEvery 6 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size153 MB156 MB
Age rating9+4+
DeveloperTPG TECNOLOGIA DA INFORMACAO LTDATPG TECNOLOGIA DA INFORMACAO LTDA

Customer experience

Cow Evolution

All ratings23,282 ratings
Positive94.1%
Neutral3.1%
Negative2.9%
Written reviews1,868 reviews
Positive79.9%
Neutral5.8%
Negative14.3%

Sloth Evolution

All ratings141 ratings
Positive95.0%
Neutral3.5%
Negative1.4%
Written reviews11 reviews
Positive90.9%
Neutral9.1%
Negative0.0%

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

Sloth 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
15 purchases

Sloth Evolution

One-time15
  • Alien Currency Pack 1$1.99
  • Hard Currency Pack Offer$1.99
  • Remove Ads$1.99
Show 12 more
  • Hard Currency Pack 1$1.99
  • Promo Bundles Very High$2.99
  • Shop Bundle 1$2.99
  • Hard Currency Pack 2$4.99
  • Alien Currency Pack 2$5.99
  • Shop Bundle 2$5.99
  • Promo Bundles High$5.99
  • Trinket$6.99
  • Hard Currency Pack 3$9.99
  • Starter Bundle Discount$9.99
  • Promo Bundles Full$11.99
  • Hard Currency Pack 4$19.99

Questions

Is Cow Evolution free?
Cow Evolution is free to download, with in-app purchases available.
Is Sloth Evolution free?
Sloth Evolution is free to download, with in-app purchases available.
Which has better reviews, Cow Evolution or Sloth Evolution?
Sloth Evolution is rated higher. Cow Evolution averages 4.7 out of 5 from 23K ratings, while Sloth Evolution averages 4.8 from 141 ratings.
Do Cow Evolution or Sloth Evolution have ads?
Both Cow Evolution and Sloth Evolution show ads.
Which is updated more often, Cow Evolution or Sloth Evolution?
Cow Evolution ships an update every 10 days, and Sloth Evolution every 6 weeks. Most recently, Cow Evolution was updated on September 30, 2026 and Sloth Evolution on September 14, 2026.

Other comparisons