# Asteroid Defence vs Invader 1978

Asteroid Defence and Invader 1978 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Asteroid Defence | Invader 1978 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 80 MB | 0 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Athlas IO](https://appshunter.io/developer/1575192502) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Asteroid Defence

[App page](https://appshunter.io/ios/app/asteroid-defence/id6470113925)

**In-app purchases:** none


### Invader 1978

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Asteroid Defence free?

Asteroid Defence is free to download, with no in-app purchases.

### Is Invader 1978 free?

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

### Do Asteroid Defence or Invader 1978 have ads?

Neither Asteroid Defence 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.*