# Fish Simulator! vs UnderWater Shark

The clearest difference is ads: Fish Simulator! at none against UnderWater Shark's shown. UnderWater Shark's advantage is update cadence (every 4 months vs every 32 months) and iOS requirement (11.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

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

Fish Simulator! ships an update every 32 months, UnderWater Shark every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Fish Simulator! | UnderWater Shark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fish-simulator/id1219708183/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 32 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 164 MB | 56 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Eric Yoon](https://appshunter.io/developer/1219708182) | [Muhammad Shahbaz](https://appshunter.io/developer/1583546225) |

## What reviewers say

### Fish Simulator!

[App page](https://appshunter.io/ios/app/fish-simulator/id1219708183)

Navigate through challenging levels filled with unique fish and environmental hazards. Customize your fish with various hats and accessories in this engaging game suitable for all ages. It offers a simple yet addictive gameplay experience.

**Highlights:** 40 different levels, Outfit shop for customization, Easy to play, hard to master, Suitable for all ages, Unique fish and whirlpools

**Features:** macOS Compatibility

**In-app purchases:** none


### UnderWater Shark

[App page](https://appshunter.io/ios/app/underwater-shark-big-fishio/id6446934565)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fish Simulator! free?

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

### Is UnderWater Shark free?

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

### Do Fish Simulator! or UnderWater Shark have ads?

UnderWater Shark shows ads; Fish Simulator! does not.

### Which is updated more often, Fish Simulator! or UnderWater Shark?

Fish Simulator! ships an update every 32 months, and UnderWater Shark every 4 months. Most recently, Fish Simulator! was updated on November 2, 2026 and UnderWater Shark on November 3, 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.*