# Retro Galactic Siege vs Invader 1978

The clearest difference is in-app purchases: Invader 1978 at none against Retro Galactic Siege's 5. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Retro Galactic Siege sells 5 one-off in-app purchases. Invader 1978 asks for nothing beyond the download.

## The numbers

| Metric | Retro Galactic Siege | Invader 1978 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 11 MB | 0 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ABRAHAM SEGOVIANO](https://appshunter.io/developer/1886602554) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Retro Galactic Siege

[App page](https://appshunter.io/ios/app/retro-galactic-siege/id6761139691)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Warhawk Ship | $0.99 | one-time |
| Xeno Drone ship | $0.99 | one-time |
| Neon Blade Ship | $0.99 | one-time |
| Phantom Ship | $0.99 | one-time |
| Dark Dimension Expansion | $1.99 | one-time |


### Invader 1978

[App page](https://appshunter.io/ios/app/invader-1978/id6767773558)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Retro Galactic Siege free?

Retro Galactic Siege is free to download, with in-app purchases available.

### Is Invader 1978 free?

Invader 1978 is free to download, with no in-app purchases.

### Do Retro Galactic Siege or Invader 1978 have ads?

Neither Retro Galactic Siege nor Invader 1978 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.*