# Fish Evolution vs Aquarium Eater Fish.io World

The clearest difference is review sentiment: Fish Evolution at 100% against Aquarium Eater Fish.io World's 0%. Fish Evolution also leads on update cadence (fortnightly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fish Evolution ships an update fortnightly, Aquarium Eater Fish.io World every 4 months. The most recent releases landed on September 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Fish Evolution | Aquarium Eater Fish.io World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (38 ratings)](https://appshunter.io/ios/app/fish-evolution/id1658224047/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 216 MB | 130 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [佳灿 李](https://appshunter.io/developer/1637818097) | [Hassan Zaman](https://appshunter.io/developer/1542953541) |

## What reviewers say

### Fish Evolution

[App page](https://appshunter.io/ios/app/fish-evolution/id1658224047)

Navigate the deep sea as a small fish, eating smaller prey to grow and evolve. Avoid larger predators and use power-ups to survive and become the ocean's overlord in this engaging casual game.

**Highlights:** Evolve from clownfish to sharks and behemoths, Eat smaller fish to grow, Avoid larger predators, Free to play, New themed skins, Powerful prop effects

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

**In-app purchases:** none


### Aquarium Eater Fish.io World

[App page](https://appshunter.io/ios/app/aquarium-eater-fishio-world/id6446928339)

Dive into a vibrant underwater world where you play as a small fish. Eat smaller fish to grow larger and avoid bigger fish to survive and win. Explore diverse aquatic environments and decorate your own aquarium.

**Highlights:** Eat smaller fish to grow, Avoid larger fish, Explore underwater environments, Decorate aquariums, Offline play supported, Smooth controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Fish Evolution free?

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

### Is Aquarium Eater Fish.io World free?

Aquarium Eater Fish.io World is free to download, with no in-app purchases.

### Do Fish Evolution or Aquarium Eater Fish.io World have ads?

Both Fish Evolution and Aquarium Eater Fish.io World show ads.

### Which is updated more often, Fish Evolution or Aquarium Eater Fish.io World?

Fish Evolution ships an update fortnightly, and Aquarium Eater Fish.io World every 4 months. Most recently, Fish Evolution was updated on September 12, 2026 and Aquarium Eater Fish.io World on September 29, 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.*