# Fish3 vs Brainrot Attack

The clearest difference is price: Brainrot Attack at Free against Fish3's $149.99. Brainrot Attack also leads on update cadence (every 3 days vs fortnightly). Fish3's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

Brainrot Attack is free to download; Fish3 costs $149.99 up front. Brainrot Attack sells 3 one-off in-app purchases. Fish3 asks for nothing beyond the download.

Fish3 ships an update fortnightly, Brainrot Attack every 3 days. The most recent releases landed on September 9, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Fish3 | Brainrot Attack |
| --- | --- | --- |
| Price | $149.99 | **Free** |
| Rating | — | **[3.9 (12 ratings)](https://appshunter.io/ios/app/brainrot-attack-merge-invaders/id6746049055/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 92 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Han-Chung Lin](https://appshunter.io/developer/881528252) | [Volkan Kutlubay](https://appshunter.io/developer/927603440) |

## What reviewers say

### Fish3

[App page](https://appshunter.io/ios/app/fish3-pro-pro-edition/id972614601)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brainrot Attack

[App page](https://appshunter.io/ios/app/brainrot-attack-merge-invaders/id6746049055)

Engage in a chaotic, fast-paced shoot 'em up where surreal internet mascots invade your screen. Blast through waves of AI-generated enemies that multiply into increasingly bizarre forms. Survive the unpredictable arcade chaos and see if you can withstand the brainrot.

**Highlights:** Fast-paced shoot 'em up gameplay, Surreal internet mascot enemies, AI-generated enemy multiplication, Wave-based survival, Unpredictable arcade chaos

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brainrot Attack Remove Ads | Free | one-time |
| Give 300 Diamonds. | $2.99 | one-time |
| Give 1500 Diamonds | $9.99 | one-time |


## Frequently asked questions

### Is Fish3 free?

Fish3 costs $149.99, with no in-app purchases.

### Is Brainrot Attack free?

Brainrot Attack is free to download, with in-app purchases available.

### Do Fish3 or Brainrot Attack have ads?

Brainrot Attack shows ads; Fish3 does not.

### Which is updated more often, Fish3 or Brainrot Attack?

Fish3 ships an update fortnightly, and Brainrot Attack every 3 days. Most recently, Fish3 was updated on September 9, 2026 and Brainrot Attack on August 24, 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.*