# Space Force Game vs Martian Invaders

The clearest difference is price: Space Force Game at Free against Martian Invaders's $0.99. Space Force Game also leads on update cadence (every 2 months vs every 72 months) and device support (3 vs 1). Martian Invaders's advantage is in-app purchases (none vs 3). On ads there is nothing between them.

Space Force Game is free to download; Martian Invaders costs $0.99 up front. Space Force Game sells 3 one-off in-app purchases. Martian Invaders asks for nothing beyond the download.

Space Force Game ships an update every 2 months, Martian Invaders every 72 months. The most recent releases landed on October 11, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Space Force Game | Martian Invaders |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 72 months |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 37 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | Apple TV |
| Age rating | 9+ | 4+ |
| Developer | [Keneth Walters](https://appshunter.io/developer/1015054370) | [Anson Bond](https://appshunter.io/developer/909661029) |

## What reviewers say

### Space Force Game

[App page](https://appshunter.io/ios/app/space-force-game/id1440515920)

Embark on an action-packed adventure to defend the world from an alien invasion. Pilot your ship, collect resources, and upgrade your fleet to defeat the extraterrestrial threat. Enjoy addictive gameplay with challenging levels and no internet connection required.

**Highlights:** Pilot and buy different ships, Acquire force fields, Engage in levels with enemies and traps, Collect diamonds, Offline play supported

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 1000 coins & unlock ships | $0.99 | one-time |
| Get 2500 coins & unlock ships | $1.99 | one-time |
| Get 7500 coins & unlock ships | $3.99 | one-time |


### Martian Invaders

[App page](https://appshunter.io/ios/app/martian-invaders/id1466700623)

**In-app purchases:** none


## Frequently asked questions

### Is Space Force Game free?

Space Force Game is free to download, with in-app purchases available.

### Is Martian Invaders free?

Martian Invaders costs $0.99, with no in-app purchases.

### Do Space Force Game or Martian Invaders have ads?

Neither Space Force Game nor Martian Invaders shows ads.

### Which is updated more often, Space Force Game or Martian Invaders?

Space Force Game ships an update every 2 months, and Martian Invaders every 72 months. Most recently, Space Force Game was updated on October 11, 2026 and Martian Invaders on May 16, 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.*