# CatBlock vs Glow Reef

The clearest difference is ads: CatBlock at none against Glow Reef's shown. Glow Reef's advantage is iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CatBlock | Glow Reef |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 105 MB | 29 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kouryou cho](https://appshunter.io/developer/1893279296) | [Jamel Khalifa](https://appshunter.io/developer/1645310462) |

## What reviewers say

### CatBlock

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

**In-app purchases:** none


### Glow Reef

[App page](https://appshunter.io/ios/app/glow-reef-block-puzzle/id6779828629)

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

**In-app purchases:** none


## Frequently asked questions

### Is CatBlock free?

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

### Is Glow Reef free?

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

### Do CatBlock or Glow Reef have ads?

Glow Reef shows ads; CatBlock does not.

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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.*