Slime Evolution vs Cotton Tree
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 :)
Cotton Tree
A charming idle game where you grow and evolve cotton plants. Touch to pick cotton, combine it to create new varieties, and embark on adventures with your evolved cotton.
- Pick and combine cotton
- Grow new cotton varieties
- Embark on cotton adventures
- Cute and engaging visuals
- Idle gameplay mechanics
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- Cotton Tree is so cute and may stop your heart!(Watch out your heartbeat) - You could water Cotton Tree!(Waterproof phone is recommended) *How to play Cotton Tree* 1. Touch and pick the cotton 2. Combine two cottons and grow them into another one 3. Go on an adventure with a higher level cotton! You will meet something beyond!
Screenshots
Verdict
The clearest difference is rating: Slime Evolution at 4.8 against Cotton Tree's 4.3. Slime Evolution also leads on review sentiment (91% vs 64%) and ratings volume (597 vs 7). Cotton Tree's advantage is update cadence (every 9 days vs every 2 months). On price, ads, 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
Both are free to download. Slime Evolution sells 4 one-off in-app purchases and Cotton Tree sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Slime Evolution holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Slime Evolution has 597 ratings behind it against 7, 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 64% of Cotton Tree's.
Slime Evolution ships an update every 2 months, Cotton Tree every 9 days. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.
| Parameter | Slime Evolution | Cotton Tree |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (597 ratings) — better | 4.3 (7 ratings) |
| Positive reviews | 91.2% of reviews — better | 63.6% of reviews |
| Number of ratings | 597 — better | 7 |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 111 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | SeHyeon Im | Jisu Choi |
Customer experience
Slime Evolution
Cotton Tree
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
Cotton Tree
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
Show 1 moreShow fewer
- 1400 Gem$49.99
Cotton Tree
- Leaf 20EA$0.99
- 44 fresh leaves$1.99
- 120 fresh leaves$4.99
Show 3 moreShow fewer
- 260 fresh leaves$9.99
- 560 fresh leaves$19.99
- 1500 fresh leaves$49.99
Questions
Is Slime Evolution free?
Is Cotton Tree free?
Which has better reviews, Slime Evolution or Cotton Tree?
Do Slime Evolution or Cotton Tree have ads?
Which is updated more often, Slime Evolution or Cotton Tree?
Other comparisons
