Comparison

Slime Evolution vs RainCat

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

RainCat

Guide a cat through the rain, using an umbrella to protect it from the elements and collect food. Compete for high scores and enjoy a local multiplayer mode inspired by air hockey.

Highlights
  • Protect cat from rain
  • Collect food
  • Achieve high scores
  • Local multiplayer mode
  • Air hockey style gameplay
Read full description

RainCat is a simple and satisfying game where you need to protect your feline friend while it roams around to get food. Use your umbrella to protect the cat from the troublesome rain and gain your high score in the process! Protect the kitty, eat the food, up your level, get high scores! Local multiplayer! Play a frantic air hockey style game, but with cats and umbrellas! Learn to make this game! https://medium.com/hello-thirteen23/raincat-lesson-1-79a750ef319f#.c9cm6pllz Check out the source code for the game! https://github.com/thirteen23/RainCat

Screenshots

Slime Evolution4 screens
RainCat4 screens

Verdict

The call

The clearest difference is in-app purchases: RainCat at none against Slime Evolution's 4. RainCat also leads on ads (none vs shown) and rating (5.0 vs 4.8). Slime Evolution's advantage is update cadence (every 2 months vs every 17 months) and ratings volume (597 vs 5). On price, device support and iOS requirement 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. RainCat asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RainCat holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Slime Evolution has 597 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 91% of Slime Evolution's written reviews are positive against 100% of RainCat's.

UpkeepUpdate frequency

Slime Evolution ships an update every 2 months, RainCat every 17 months. The most recent releases landed on October 22, 2026 and October 13, 2026 respectively.

Scorecard7 real differences · 3 level
Slime Evolution versus RainCat: the parameters behind the verdict, then further details
ParameterSlime EvolutionRainCat
PriceFreeFree
Rating4.8 (597 ratings)5.0 (5 ratings) — better
Positive reviews91.2% of reviews100.0% of reviews — better
Number of ratings597 — better5
Update frequencyEvery 2 months — betterEvery 17 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size111 MB40 MB
Age rating4+4+
DeveloperSeHyeon Imthirteen23

Customer experience

Slime Evolution

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

RainCat

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

RainCat

Not enough reviews yet to summarise bugs or requests.

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
None

RainCat

No in-app purchases

Questions

Is Slime Evolution free?
Slime Evolution is free to download, with in-app purchases available.
Is RainCat free?
RainCat is free to download, with no in-app purchases.
Which has better reviews, Slime Evolution or RainCat?
RainCat is rated higher. Slime Evolution averages 4.8 out of 5 from 597 ratings, while RainCat averages 5.0 from 5 ratings.
Do Slime Evolution or RainCat have ads?
Slime Evolution shows ads; RainCat does not.
Which is updated more often, Slime Evolution or RainCat?
Slime Evolution ships an update every 2 months, and RainCat every 17 months. Most recently, Slime Evolution was updated on October 22, 2026 and RainCat on October 13, 2026.

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