# Skeleton Invader vs Not Another Asteroids

The clearest difference is in-app purchases: Not Another Asteroids at none against Skeleton Invader's 1. Not Another Asteroids also leads on update cadence (every 2 months vs every 29 months). Skeleton Invader's advantage is ads (none vs shown) and iOS requirement (9.3 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Skeleton Invader sells 1 one-off in-app purchase. Not Another Asteroids asks for nothing beyond the download.

Skeleton Invader ships an update every 29 months, Not Another Asteroids every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Skeleton Invader | Not Another Asteroids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/not-another-asteroids/id6470826408/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 85 MB | 153 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guisse Ngourane](https://appshunter.io/developer/455608665) | [Eric Hamilton](https://appshunter.io/developer/1613418361) |

## What reviewers say

### Skeleton Invader

[App page](https://appshunter.io/ios/app/skeleton-invader/id1287479772)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250.000 Neutrons | $2.99 | one-time |


### Not Another Asteroids

[App page](https://appshunter.io/ios/app/not-another-asteroids/id6470826408)

Pilot a ship through an asteroid-filled galaxy, aiming to return home. Discover and combine unique weapons and items, and purchase permanent upgrades to enhance your survival chances. Can you master the perilous journey?

**Highlights:** Navigate asteroid fields, Unlock new ships, Discover new weapons, Use item combinations, Purchase permanent upgrades, Unique ship weapons

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Skeleton Invader free?

Skeleton Invader is free to download, with in-app purchases available.

### Is Not Another Asteroids free?

Not Another Asteroids is free to download, with no in-app purchases.

### Do Skeleton Invader or Not Another Asteroids have ads?

Not Another Asteroids shows ads; Skeleton Invader does not.

### Which is updated more often, Skeleton Invader or Not Another Asteroids?

Skeleton Invader ships an update every 29 months, and Not Another Asteroids every 2 months. Most recently, Skeleton Invader was updated on November 3, 2026 and Not Another Asteroids on November 3, 2026.

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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.*