Comparison

Slime Evolution vs Merge Unicorn

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

Head to head
About

Slime Evolution

Cultivate a charming slime farm by merging identical slimes to discover new ones. Assign elemental properties like water, fire, or grass to influence their characteristics. Embark on adventures to collect more slimes and treasures, and document your discoveries in a field guide.

Highlights
  • Create new slimes by merging
  • Assign elemental properties (water, fire, grass)
  • Go on adventures for rewards
  • Collect slimes in a field guide
  • Discover unique slime evolution methods
Features
Read full description

Raise cute little slime and take care of a slime farm of your own! [‘How to enjoy 'Slime Evolution'!] 1. Create a new slime – combine the same slime and a new slime appears. 2. Set an element of the slime – slime can have water / fire / or grass elements. Each element has different characteristics, so choose wisely! 3. go on an advanture with your Slime. – You can get a slime and jewery during the advanture. 4. Check your field guide book – You can cehck the name of slimes with funny explanation and their ability. 5. Make a special Slime – Try to make a special slime by finding a new way other than existing evolution method. Thank you :)

About

Merge Unicorn

Merge identical unicorns to discover new, cuter evolutions. Earn coins while idle, tap to speed up, and invest wisely to grow your collection across continents and galaxies. Discover all 30 unique unicorn forms and unlock different game endings.

Highlights
  • Merge identical unicorns
  • Discover new evolutions
  • Idle coin earning
  • Tap to earn coins
  • Invest in gold income
  • Collect 30 unicorn forms
  • Offline play
Features
Read full description

WHO WE ARE: we produce the best Evolution Games to solve the boredom of you. Our Community is the heart of every game, because we produce new Evolution Game based on your interest and ideas. Today we present you: Merge Unicorn Our games are easy to learn but hard to master, this means you will start slow and gets better during the game and challenged to get all the 30 Unicorn Evolutions to merge. (more will follow you soon! :-) ) Evolution Games Merge are a mix of different game types : Idle, you earn money while you sleep Clicker , you can fast forward on clicking each your bag timer until your finger hurts. :) Merge Two , you can relax and match things together Discovery, you always discover a new evolution on your next session. Tycoon, invest your money smart to improve your gold income to get even richer and buy new evolutions on the fly. KAWAII , who does not love cute, fluffy Evolutions! :) Hatching, take care of all your evolutions Challenge, compete with friends who Discover the next Evolution Collect, complete all Evolutions and create your own. Customise, you can customise each evolution on your own Become part of the unicorn family. Find out what happens when you put two identical unicorns together. WAIT they start evolve and become a new cool cute kawaii unicorn evolution. Start small on the world, grow bigger to a new continent, even galaxies are not save for your cute, Merge Unicorns. <3 HOW TO PLAY It’s simpler then a matching game! • As your Unicorns evolution drop coins, buy new Unicorns Evolution to earn even more coins •Merge similar Unicorns Evolution to evolve them into new and more profitable Unicorns Evolution • Also tap the Unicorns evolution to make more coins Highlights • 30 different forms of Unicorns evolution • You can play our game offline, i means in every town in the world and also while driving in the car. You can even hatch your own unicorn dragons • A cool mix of idle tycoon and incremental clicker mix like Tamago! • Three possible endings: find the right god as you play! Download Unicorns Merge Evolution now start your own journey We love clicker and idle games the way you do! If you have any questions, found a bug or you have new upgrade ideas, get in touch with us! We appreciate your help a lot and donate it with a 5$ ingame code for free!

Screenshots

Slime Evolution4 screens
Merge Unicorn3 screens

Verdict

The call

The clearest difference is ads: Merge Unicorn at none against Slime Evolution's shown. Merge Unicorn also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (8.0 vs 13.0). Slime Evolution's advantage is review sentiment (91% vs 77%). On price, rating, ratings volume 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. Slime Evolution sells 4 one-off in-app purchases and Merge Unicorn sells 3 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 — 4.8 for Slime Evolution against 4.6 for Merge Unicorn. Both are backed by a comparable volume of ratings — 597 and 338 respectively. Written reviews are what separate them: 91% of Slime Evolution's written reviews are positive against 77% of Merge Unicorn's.

UpkeepUpdate frequency

Slime Evolution ships an update every 2 months, Merge Unicorn every 2 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Slime Evolution versus Merge Unicorn: the parameters behind the verdict, then further details
ParameterSlime EvolutionMerge Unicorn
PriceFreeFree
Rating4.8 (597 ratings) — better4.6 (338 ratings)
Positive reviews91.2% of reviews — better76.7% of reviews
Number of ratings597 — better338
Update frequencyEvery 2 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.08.0 — better
Further details — not scored
Size111 MB232 MB
Age rating4+4+
DeveloperSeHyeon ImEvolution Games GmbH

Customer experience

Slime Evolution

All ratings597 ratings
Positive95.5%
Neutral3.2%
Negative1.3%
Written reviews260 reviews
Positive91.2%
Neutral5.0%
Negative3.8%

Merge Unicorn

All ratings335 ratings
Positive91.9%
Neutral3.9%
Negative4.2%
Written reviews43 reviews
Positive76.7%
Neutral7.0%
Negative16.3%

User reviews

Slime Evolution

From 597 App Store ratings

What we love

  • 👍 Cute and relaxing game
  • 🎨 Charming art style
  • 🕹️ Simple and addictive gameplay
  • ⏱️ Good time-killer
  • 🌳 Enjoyable exploration and evolution

Room to improve

  • 🐛 Occasional bugs and glitches
  • 💰 Unbalanced upgrade costs between platforms
  • 🔍 Unclear mechanics (e.g. using seeds)
  • 🌐 Language/localization issues

Merge Unicorn

From 338 App Store ratings

What we love

  • 🤩 Highly addictive gameplay
  • 🦄 Cute and lovable unicorns
  • 💖 Fun and enjoyable experience
  • 😌 Relaxing and stress-relieving
  • 🆓 Free to play

Room to improve

  • 👎 Old versions were better
  • 💰 Frequent monetization prompts
  • 📉 Progress loss at higher levels
  • 🧩 Merging issues and glitches
  • 🚫 Lack of sell button

Bugs and requests

Slime Evolution

Reported bugs

3 issues
  • Inability to merge certain slime types
  • Disappearing slimes and lost progress
  • Ads not working or causing errors

Requested features

5 requests
  • Add more types of slimes
  • Implement a slime shop/store
  • Improve the reward system
  • Add more gameplay modes or mini-games
  • Enhance the exploration and progression systems

Merge Unicorn

Reported bugs

8 issues
  • Cannot merge items when having one of everything
  • Level 21 locks up constantly
  • Logo is squished on bundle pop-ups
  • Drag and merge actions go to the wrong spot
  • Upgrade says max level when it's not
Show 3 more
  • Game loses everything at level 21
  • Game crashes and glitches, deleting progress
  • Cannot merge anything when land is full and no sell button

Requested features

7 requests
  • Add a sell button for items
  • Improve merging mechanics to prevent items going to wrong spots
  • Fix issues with level 21 and higher progression
  • Restore lost progress and purchases
  • Improve detail in bundle pop-ups
Show 2 more
  • Make the game world more dynamic with wandering animals
  • Consider a different layout for faster merging

In-app purchases

4 purchases

Slime Evolution

One-time4
  • 20 Gem$0.99
  • 110 Gem$4.99
  • 240 Gem$9.99
Show 1 more
  • 1400 Gem$49.99
3 purchases

Merge Unicorn

One-time3
  • Starter Bundle$1.99
  • Gamer Bundle$4.99
  • Master Bundle$14.99

Questions

Is Slime Evolution free?
Slime Evolution is free to download, with in-app purchases available.
Is Merge Unicorn free?
Merge Unicorn is free to download, with in-app purchases available.
Which has better reviews, Slime Evolution or Merge Unicorn?
Slime Evolution is rated higher. Slime Evolution averages 4.8 out of 5 from 597 ratings, while Merge Unicorn averages 4.6 from 338 ratings.
Do Slime Evolution or Merge Unicorn have ads?
Slime Evolution shows ads; Merge Unicorn does not.
Which is updated more often, Slime Evolution or Merge Unicorn?
Slime Evolution ships an update every 2 months, and Merge Unicorn every 2 days. Most recently, Slime Evolution was updated on October 22, 2026 and Merge Unicorn on October 24, 2026.

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