# Octopus Evolution vs Crab Island

The clearest difference is update cadence: Crab Island at every 3 weeks against Octopus Evolution's every 6 weeks. Crab Island also leads on iOS requirement (11.0 vs 15.0). Octopus Evolution's advantage is ratings volume (4.1K vs 620). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Octopus Evolution sells 10 one-off in-app purchases and Crab Island sells 10 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 Crab Island. That said, the two scores are not equally well evidenced: Octopus Evolution has 4.1K ratings behind it against 620, so its average is the more settled of the two. Written reviews split almost evenly too, at 93% and 94% positive.

Octopus Evolution ships an update every 6 weeks, Crab Island every 3 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Octopus Evolution | Crab Island |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4.1K ratings)](https://appshunter.io/ios/app/octopus-evolution/id1062020759/reviews) | **[4.8 (620 ratings)](https://appshunter.io/ios/app/crab-island/id1607881993/reviews)** |
| Number of ratings | **4.1K** | 620 |
| Positive reviews | 93.1% of reviews | **94.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 156 MB | 257 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Platonic Games](https://appshunter.io/developer/980909625) |

## 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


### Crab Island

[App page](https://appshunter.io/ios/app/crab-island/id1607881993)

Embark on a relaxing fishing adventure to collect charming dancing crabs. Customize your crabs with over 100 skins and costumes. Upgrade your island, gather resources, and unlock mystical shrines to summon unique creatures.

**Highlights:** Collect dancing crabs, Over 100 skins and costumes, Upgrade your island, Unlock mysterious shrines, Easy tap-to-fish gameplay

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Double Baits | $2.99 | one-time |
| 5 Special Baits | $2.99 | one-time |
| 5 Fast Baits | $2.99 | one-time |
| 10 gems | $2.99 | one-time |
| 20 gems | $3.99 | one-time |
| VIP Member Offer! | $3.99 | one-time |
| VIP Member | $7.99 | one-time |
| 50 gems | $7.99 | one-time |
| 100 gems | $16.99 | one-time |
| 250 gems | $41.99 | one-time |

**What reviewers like**

- 👍 Best ever
- 👍 Cute crabs
- 👍 Fun and relaxing
- 👍 Crab dancing
- 👍 Crab petting

**What reviewers complain about**

- 🐛 Fishing rod durability issues
- 🐛 Camera movement problems
- 🔋 Slow island upgrades
- 🔋 Difficulty earning gems

**Reported bugs**

- Crashes
- Freezing login screen
- Incompatibility with older devices

**Requested features**

- More crab varieties
- Crab breeding feature
- Crab minigames
- Customizable crab homes
- More island customization


## Frequently asked questions

### Is Octopus Evolution free?

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

### Is Crab Island free?

Crab Island is free to download, with in-app purchases available.

### Which has better reviews, Octopus Evolution or Crab Island?

Crab Island is rated higher. Octopus Evolution averages 4.8 out of 5 from 4.1K ratings, while Crab Island averages 4.8 from 620 ratings.

### Do Octopus Evolution or Crab Island have ads?

Both Octopus Evolution and Crab Island show ads.

### Which is updated more often, Octopus Evolution or Crab Island?

Octopus Evolution ships an update every 6 weeks, and Crab Island every 3 weeks. Most recently, Octopus Evolution was updated on November 6, 2026 and Crab Island on November 7, 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.*