# CatBlock vs Block Square

The clearest difference is in-app purchases: CatBlock at none against Block Square's 3. CatBlock also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Block Square sells 3 one-off in-app purchases. CatBlock asks for nothing beyond the download.

CatBlock ships an update every 3 weeks, Block Square every 2 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CatBlock | Block Square |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 105 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kouryou cho](https://appshunter.io/developer/1893279296) | [LUIZ FERNANDO DOS SANTOS ROSEIRO](https://appshunter.io/developer/6785039884) |

## What reviewers say

### CatBlock

[App page](https://appshunter.io/ios/app/catblock/id6762186550)

**In-app purchases:** none


### Block Square

[App page](https://appshunter.io/ios/app/block-square-block-puzzle/id6785039882)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso | $0.99 | one-time |
| Coffee | $1.99 | one-time |
| Coffee Large | $4.99 | one-time |


## Frequently asked questions

### Is CatBlock free?

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

### Is Block Square free?

Block Square is free to download, with in-app purchases available.

### Do CatBlock or Block Square have ads?

Neither CatBlock nor Block Square shows ads.

### Which is updated more often, CatBlock or Block Square?

CatBlock ships an update every 3 weeks, and Block Square every 2 months. Most recently, CatBlock was updated on October 14, 2026 and Block Square on October 6, 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.*