# Slime Evolution vs Evolution Spore.io

The clearest difference is review sentiment: Slime Evolution at 91% against Evolution Spore.io's 9%. Slime Evolution also leads on rating (4.8 vs 1.4) and ratings volume (597 vs 27). Evolution Spore.io's advantage is in-app purchases (none vs 4) and update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Slime Evolution sells 4 one-off in-app purchases. Evolution Spore.io asks for nothing beyond the download.

Slime Evolution holds the better App Store score, 4.8 against 1.4. That said, the two scores are not equally well evidenced: Slime Evolution has 597 ratings behind it against 27, 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 9% of Evolution Spore.io's.

Slime Evolution ships an update every 2 months, Evolution Spore.io every 3 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Slime Evolution | Evolution Spore.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (597 ratings)](https://appshunter.io/ios/app/slime-evolution-raise-slimes/id1131103968/reviews)** | [1.4 (27 ratings)](https://appshunter.io/ios/app/evolution-sporeio/id6450990901/reviews) |
| Number of ratings | **597** | 27 |
| Positive reviews | **91.2% of reviews** | 8.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 111 MB | 219 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SeHyeon Im](https://appshunter.io/developer/1294084939) | [Vasiliy Cullin](https://appshunter.io/developer/1659005685) |

## What reviewers say

### Slime Evolution

[App page](https://appshunter.io/ios/app/slime-evolution-raise-slimes/id1131103968)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Gem | $0.99 | one-time |
| 110 Gem | $4.99 | one-time |
| 240 Gem | $9.99 | one-time |
| 1400 Gem | $49.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

- 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


### Evolution Spore.io

[App page](https://appshunter.io/ios/app/evolution-sporeio/id6450990901)

Embark on an evolutionary journey, guiding a microscopic organism to a complex civilization. Shape your species' appearance, abilities, and behavior through challenges and choices. Explore diverse environments, interact with other creatures, and decide the fate of life itself.

**Highlights:** Evolve species from microscopic to complex, Customize appearance and abilities, Navigate primordial ooze and land environments, Interact with other creatures, Shape species' destiny through choices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Slime Evolution free?

Slime Evolution is free to download, with in-app purchases available.

### Is Evolution Spore.io free?

Evolution Spore.io is free to download, with no in-app purchases.

### Which has better reviews, Slime Evolution or Evolution Spore.io?

Slime Evolution is rated higher. Slime Evolution averages 4.8 out of 5 from 597 ratings, while Evolution Spore.io averages 1.4 from 27 ratings.

### Do Slime Evolution or Evolution Spore.io have ads?

Both Slime Evolution and Evolution Spore.io show ads.

### Which is updated more often, Slime Evolution or Evolution Spore.io?

Slime Evolution ships an update every 2 months, and Evolution Spore.io every 3 days. Most recently, Slime Evolution was updated on October 13, 2026 and Evolution Spore.io on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*