# Zombie Defense vs Knight Train

The clearest difference is iOS requirement: Zombie Defense at 13.0 against Knight Train's 15.0. On price, ads, 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 | Zombie Defense | Knight Train |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Daily | — |
| Size | 20 MB | 215 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [GOSUNI2025](https://appshunter.io/developer/1860149083) | [Root Wave](https://appshunter.io/developer/1894091604) |

## What reviewers say

### Zombie Defense

[App page](https://appshunter.io/ios/app/zombie-defense/id6756334681)

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

**In-app purchases:** none


### Knight Train

[App page](https://appshunter.io/ios/app/knight-train/id6762416933)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zombie Defense free?

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

### Is Knight Train free?

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

### Do Zombie Defense or Knight Train have ads?

Both Zombie Defense and Knight Train show ads.

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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.*