# Fish Evolution vs Idle Shark 2

The clearest difference is review sentiment: Fish Evolution at 100% against Idle Shark 2's 60%. Fish Evolution also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (12.0 vs 15.0). Idle Shark 2's advantage is rating (4.7 vs 4.3). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Idle Shark 2 holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 40 and 78 respectively. Written reviews complicate that: 100% of Fish Evolution's written reviews are positive against 60% of Idle Shark 2's, so the app with the better star average is not the one people write more warmly about.

Fish Evolution ships an update fortnightly, Idle Shark 2 every 3 months. The most recent releases landed on October 22, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Fish Evolution | Idle Shark 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (40 ratings)](https://appshunter.io/ios/app/fish-evolution/id1658224047/reviews) | **[4.7 (78 ratings)](https://appshunter.io/ios/app/idle-shark-2-mega-tycoon-game/id6455428643/reviews)** |
| Number of ratings | 40 | **78** |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 216 MB | 422 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [佳灿 李](https://appshunter.io/developer/1637818097) | [Nikita Subachev](https://appshunter.io/developer/1447777375) |

## 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


### Idle Shark 2

[App page](https://appshunter.io/ios/app/idle-shark-2-mega-tycoon-game/id6455428643)

Control a shark and grow from an infant to an apex predator. Hunt prey, explore vast oceans, and evolve your shark's abilities. Experience chaotic modes and a boundless 3D aquatic world.

**Highlights:** Shark hunting adventure, Free-to-play animal expedition, Expansive 3D aquatic environment, Dynamic ragdoll physics, Sharkando Mode, Over 1000 unique prey items, Idle mechanism with auto-swimming

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fish Evolution free?

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

### Is Idle Shark 2 free?

Idle Shark 2 is free to download, with no in-app purchases.

### Which has better reviews, Fish Evolution or Idle Shark 2?

Idle Shark 2 is rated higher. Fish Evolution averages 4.3 out of 5 from 40 ratings, while Idle Shark 2 averages 4.7 from 78 ratings.

### Do Fish Evolution or Idle Shark 2 have ads?

Both Fish Evolution and Idle Shark 2 show ads.

### Which is updated more often, Fish Evolution or Idle Shark 2?

Fish Evolution ships an update fortnightly, and Idle Shark 2 every 3 months. Most recently, Fish Evolution was updated on October 22, 2026 and Idle Shark 2 on October 10, 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.*