# Cat Blocks vs Clowder Blocks

The clearest difference is in-app purchases: Clowder Blocks at none against Cat Blocks's 1. Cat Blocks's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cat Blocks sells 1 one-off in-app purchase. Clowder Blocks asks for nothing beyond the download.

Cat Blocks ships an update every 3 days, Clowder Blocks every 3 weeks. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Cat Blocks | Clowder Blocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 16 MB | 48 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Goro Sato](https://appshunter.io/developer/412448991) | [Global Digital Media](https://appshunter.io/developer/1328887166) |

## What reviewers say

### Cat Blocks

[App page](https://appshunter.io/ios/app/cat-blocks/id6756072984)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Clowder Blocks

[App page](https://appshunter.io/ios/app/clowder-blocks/id6761283361)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cat Blocks free?

Cat Blocks is free to download, with in-app purchases available.

### Is Clowder Blocks free?

Clowder Blocks is free to download, with no in-app purchases.

### Do Cat Blocks or Clowder Blocks have ads?

Both Cat Blocks and Clowder Blocks show ads.

### Which is updated more often, Cat Blocks or Clowder Blocks?

Cat Blocks ships an update every 3 days, and Clowder Blocks every 3 weeks. Most recently, Cat Blocks was updated on October 10, 2026 and Clowder Blocks on October 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.*