# HARM Invaders vs Space Defense

The clearest difference is in-app purchases: Space Defense at none against HARM Invaders's 4. HARM Invaders's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. HARM Invaders sells 4 one-off in-app purchases. Space Defense asks for nothing beyond the download.

## The numbers

| Metric | HARM Invaders | Space Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/harm-invaders/id966535230/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 158 MB | 89 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [QED Gaming PTY. Ltd](https://appshunter.io/developer/441029909) | [kerem yokuva](https://appshunter.io/developer/499612704) |

## What reviewers say

### HARM Invaders

[App page](https://appshunter.io/ios/app/harm-invaders/id966535230)

Command Earth's first space fighter to defend humanity from an alien threat originating from Mars. Engage in fast-paced 3D combat across the solar system, researching weapons and battling replicating alien machines.

**Highlights:** Real-time 3D graphics, Diverse enemy types, Dozens of weapons, Space ship 3D combat, Local & Global high-score tables, Rank system

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Research Machine Credits | $0.99 | one-time |
| 500 Brain Power | $1.99 | one-time |
| 2000 Brain Power | $4.99 | one-time |
| 10000 Research Machine Credits | $9.99 | one-time |


### Space Defense

[App page](https://appshunter.io/ios/app/space-defense-invaders/id6739243965)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HARM Invaders free?

HARM Invaders is free to download, with in-app purchases available.

### Is Space Defense free?

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

### Do HARM Invaders or Space Defense have ads?

Space Defense shows ads; HARM Invaders 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.*