# Fish Simulator! vs Fatty Fish

The clearest difference is in-app purchases: Fish Simulator! at none against Fatty Fish's 2. Fish Simulator! also leads on ads (none vs shown). Fatty Fish's advantage is update cadence (every 6 days vs every 32 months) and iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Fatty Fish sells 2 one-off in-app purchases. Fish Simulator! asks for nothing beyond the download.

Fish Simulator! ships an update every 32 months, Fatty Fish every 6 days. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Fish Simulator! | Fatty Fish |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 32 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 164 MB | 146 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eric Yoon](https://appshunter.io/developer/1219708182) | [Pica Trebax Inc.](https://appshunter.io/developer/1580547388) |

## 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


### Fatty Fish

[App page](https://appshunter.io/ios/app/fatty-fish/id1638329191)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack: Life x10 | $1.99 | one-time |
| RemoveADS | $3.99 | one-time |


## Frequently asked questions

### Is Fish Simulator! free?

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

### Is Fatty Fish free?

Fatty Fish is free to download, with in-app purchases available.

### Do Fish Simulator! or Fatty Fish have ads?

Fatty Fish shows ads; Fish Simulator! does not.

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

Fish Simulator! ships an update every 32 months, and Fatty Fish every 6 days. Most recently, Fish Simulator! was updated on October 4, 2026 and Fatty Fish on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*