# Engines Override vs Killer Robot War

The clearest difference is in-app purchases: Killer Robot War at none against Engines Override's 1. Engines Override's advantage is iOS requirement (7.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Engines Override sells 1 one-off in-app purchase. Killer Robot War asks for nothing beyond the download.

## The numbers

| Metric | Engines Override | Killer Robot War |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 191 MB | 273 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [FrozenPepper](https://appshunter.io/developer/500493206) | [Hong Kong Rice Technology Co., Limited](https://appshunter.io/developer/1750679963) |

## What reviewers say

### Engines Override

[App page](https://appshunter.io/ios/app/engines-override/id1280382537)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $0.99 | one-time |


### Killer Robot War

[App page](https://appshunter.io/ios/app/killer-robot-war/id6504024476)

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

**In-app purchases:** none


## Frequently asked questions

### Is Engines Override free?

Engines Override is free to download, with in-app purchases available.

### Is Killer Robot War free?

Killer Robot War is free to download, with no in-app purchases.

### Do Engines Override or Killer Robot War have ads?

Neither Engines Override nor Killer Robot War shows 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.*