# Cats vs Brainrot vs Brainrot Book

The clearest difference is in-app purchases: Cats vs Brainrot at none against Brainrot Book's 2. Cats vs Brainrot also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Brainrot Book sells 2 one-off in-app purchases. Cats vs Brainrot asks for nothing beyond the download.

Cats vs Brainrot ships an update every 9 days, Brainrot Book every 2 months. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Cats vs Brainrot | Brainrot Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brainrot-book/id6749748835/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 299 MB | 158 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Ramil Salimov](https://appshunter.io/developer/1532949599) | [Beijing Star Halo Technology Co., Ltd](https://appshunter.io/developer/500676809) |

## What reviewers say

### Cats vs Brainrot

[App page](https://appshunter.io/ios/app/cats-vs-brainrot/id6748263783)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brainrot Book

[App page](https://appshunter.io/ios/app/brainrot-book/id6749748835)

Explore a comprehensive collection of Italian Brainrot characters with detailed cards featuring stunning artwork and holographic effects. Discover unique personalities, read their backstories, and learn the authentic pronunciation of their names.

**Highlights:** 130 unique character cards, Stunning artwork with holographic effects, Detailed character backstories, Authentic name pronunciation audio, Comprehensive character encyclopedia

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads. | $4.99 | one-time |
| Unlock All Cards | $4.99 | one-time |


## Frequently asked questions

### Is Cats vs Brainrot free?

Cats vs Brainrot is free to download, with no in-app purchases.

### Is Brainrot Book free?

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

### Do Cats vs Brainrot or Brainrot Book have ads?

Both Cats vs Brainrot and Brainrot Book show ads.

### Which is updated more often, Cats vs Brainrot or Brainrot Book?

Cats vs Brainrot ships an update every 9 days, and Brainrot Book every 2 months. Most recently, Cats vs Brainrot was updated on October 28, 2026 and Brainrot Book on November 5, 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.*