# Checker Check vs Block Defense

The clearest difference is ads: Checker Check at none against Block Defense's shown. On price, in-app purchases, device support and iOS requirement 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 | Checker Check | Block Defense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Size | 18 MB | 107 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ting Kiu Lee](https://appshunter.io/developer/1787788994) | [Zorvyn Myxthirn Falkthorpe](https://appshunter.io/developer/6792965832) |

## What reviewers say

### Checker Check

[App page](https://appshunter.io/ios/app/checker-check/id6758943277)

**Features:** macOS Compatibility

**In-app purchases:** none


### Block Defense

[App page](https://appshunter.io/ios/app/block-defense-tower-war/id6792978108)

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

**In-app purchases:** none


## Frequently asked questions

### Is Checker Check free?

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

### Is Block Defense free?

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

### Do Checker Check or Block Defense have ads?

Block Defense shows ads; Checker Check 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.*