Slime Evolution vs RainCat
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- 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
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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 :)
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.
- Protect cat from rain
- Collect food
- Achieve high scores
- Local multiplayer mode
- Air hockey style gameplay
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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
Verdict
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
Both are free to download. Slime Evolution sells 4 one-off in-app purchases. RainCat asks for nothing beyond the download.
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.
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.
| Parameter | Slime Evolution | RainCat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (597 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 91.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 597 — better | 5 |
| Update frequency | Every 2 months — better | Every 17 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 111 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | SeHyeon Im | thirteen23 |
Customer experience
Slime Evolution
RainCat
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
Slime Evolution
- 20 Gem$0.99
- 110 Gem$4.99
- 240 Gem$9.99
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- 1400 Gem$49.99
RainCat
No in-app purchases
Questions
Is Slime Evolution free?
Is RainCat free?
Which has better reviews, Slime Evolution or RainCat?
Do Slime Evolution or RainCat have ads?
Which is updated more often, Slime Evolution or RainCat?
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