# Octopus Evolution vs Slime Evolution

The clearest difference is ratings volume: Octopus Evolution at 4.1K against Slime Evolution's 597. Slime Evolution's advantage is iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Octopus Evolution sells 10 one-off in-app purchases and Slime Evolution sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Octopus Evolution against 4.8 for Slime Evolution. That said, the two scores are not equally well evidenced: Octopus Evolution has 4.1K ratings behind it against 597, so its average is the more settled of the two. Written reviews are what separate them: 93% of Octopus Evolution's written reviews are positive against 91% of Slime Evolution's.

Octopus Evolution ships an update every 6 weeks, Slime Evolution every 2 months. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Octopus Evolution | Slime Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4.1K ratings)](https://appshunter.io/ios/app/octopus-evolution/id1062020759/reviews) | **[4.8 (597 ratings)](https://appshunter.io/ios/app/slime-evolution-raise-slimes/id1131103968/reviews)** |
| Number of ratings | **4.1K** | 597 |
| Positive reviews | **93.1% of reviews** | 91.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 156 MB | 111 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [SeHyeon Im](https://appshunter.io/developer/1294084939) |

## What reviewers say

### Octopus Evolution

[App page](https://appshunter.io/ios/app/octopus-evolution/id1062020759)

Combine octopuses to evolve them into bizarre new forms in this deep-sea mutant clicker game. Earn coins by combining creatures or tapping them, then use those coins to buy more octopuses and discover new species and endings.

**Highlights:** Combine octopuses to evolve, Discover curious and bizarre forms, Earn octopus poop coins, Buy new creatures, Tap octopuses for coins, Multiple stages and species, Multiple possible endings

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ads removal | $0.99 | one-time |
| pack of rubies | $1.99 | one-time |
| instant coins doubler | $1.99 | one-time |
| pack with some diamonds | $1.99 | one-time |
| pack of diamonds | $1.99 | one-time |
| pack with more diamonds | $4.99 | one-time |
| big pack of rubies | $5.99 | one-time |
| income doubler | $5.99 | one-time |
| pack with plenty of diamonds | $9.99 | one-time |
| starter bundle with discount | $9.99 | one-time |

**What reviewers like**

- 🐙 Cute and fun octopus designs
- 👍 Engaging and addictive gameplay
- 🚀 Smooth performance and no major issues
- 💎 Rewarding progression and evolution
- 🎨 Enjoyable customization options

**What reviewers complain about**

- 🔍 Difficulty unlocking certain content
- 💰 Frustration with in-app purchases
- 🔁 Repetitive nature of gameplay over time
- 🕰️ Slow progress without active play

**Reported bugs**

- Occasional crashes or freezes
- Disappearing items or progress loss

**Requested features**

- Add more unique octopus evolutions
- Improve rewards and progression system
- Introduce new game modes or challenges
- Allow more customization options


### 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


## Frequently asked questions

### Is Octopus Evolution free?

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

### Is Slime Evolution free?

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

### Which has better reviews, Octopus Evolution or Slime Evolution?

Slime Evolution is rated higher. Octopus Evolution averages 4.8 out of 5 from 4.1K ratings, while Slime Evolution averages 4.8 from 597 ratings.

### Do Octopus Evolution or Slime Evolution have ads?

Both Octopus Evolution and Slime Evolution show ads.

### Which is updated more often, Octopus Evolution or Slime Evolution?

Octopus Evolution ships an update every 6 weeks, and Slime Evolution every 2 months. Most recently, Octopus Evolution was updated on October 20, 2026 and Slime Evolution on October 17, 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.*