# Knight Train vs GRID DEFENSE

The clearest difference is in-app purchases: Knight Train at none against GRID DEFENSE's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GRID DEFENSE sells 1 one-off in-app purchase. Knight Train asks for nothing beyond the download.

## The numbers

| Metric | Knight Train | GRID DEFENSE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 4 days |
| Size | 215 MB | 657 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [Root Wave](https://appshunter.io/developer/1894091604) | [TENMILES](https://appshunter.io/developer/6809920440) |

## What reviewers say

### Knight Train

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

**Features:** macOS Compatibility

**In-app purchases:** none


### GRID DEFENSE

[App page](https://appshunter.io/ios/app/grid-defense-grid-war/id6809920348)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.90 | one-time |


## Frequently asked questions

### Is Knight Train free?

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

### Is GRID DEFENSE free?

GRID DEFENSE is free to download, with in-app purchases available.

### Do Knight Train or GRID DEFENSE have ads?

Both Knight Train and GRID DEFENSE 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.*