# Alien Invader Escape vs Space Defense

The clearest difference is device support: Alien Invader Escape at 3 against Space Defense's 1. Space Defense's advantage is iOS requirement (13.0 vs 15.6). On price, ads and in-app purchases 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 | Alien Invader Escape | Space Defense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 18 months | — |
| Size | 14 MB | 89 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tang Cho man](https://appshunter.io/developer/592719186) | [kerem yokuva](https://appshunter.io/developer/499612704) |

## What reviewers say

### Alien Invader Escape

[App page](https://appshunter.io/ios/app/alien-invader-escape/id858894874)

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

**In-app purchases:** none


### Space Defense

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alien Invader Escape free?

Alien Invader Escape is free to download, with no in-app purchases.

### Is Space Defense free?

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

### Do Alien Invader Escape or Space Defense have ads?

Both Alien Invader Escape and Space 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.*