# UnderWater Shark vs Fish Evolution Ocean Quest

The clearest difference is ads: Fish Evolution Ocean Quest at none against UnderWater Shark's shown. Fish Evolution Ocean Quest also leads on update cadence (every 5 days vs every 4 months). UnderWater Shark's advantage is iOS requirement (11.0 vs 15.0). 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.

UnderWater Shark ships an update every 4 months, Fish Evolution Ocean Quest every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | UnderWater Shark | Fish Evolution Ocean Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 56 MB | 244 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Muhammad Shahbaz](https://appshunter.io/developer/1583546225) | [Asad Manzoor](https://appshunter.io/developer/1833964293) |

## What reviewers say

### UnderWater Shark

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

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

**In-app purchases:** none


### Fish Evolution Ocean Quest

[App page](https://appshunter.io/ios/app/fish-evolution-ocean-quest/id6796388769)

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

**In-app purchases:** none


## Frequently asked questions

### Is UnderWater Shark free?

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

### Is Fish Evolution Ocean Quest free?

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

### Do UnderWater Shark or Fish Evolution Ocean Quest have ads?

UnderWater Shark shows ads; Fish Evolution Ocean Quest does not.

### Which is updated more often, UnderWater Shark or Fish Evolution Ocean Quest?

UnderWater Shark ships an update every 4 months, and Fish Evolution Ocean Quest every 5 days. Most recently, UnderWater Shark was updated on November 3, 2026 and Fish Evolution Ocean Quest on October 31, 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.*