# Moon Defence vs JetPack Space Arcade

The clearest difference is update cadence: Moon Defence at every 4 days against JetPack Space Arcade's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Moon Defence ships an update every 4 days, JetPack Space Arcade every 8 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Moon Defence | JetPack Space Arcade |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 8 months |
| Monetization | Free | — |
| Size | 16 MB | 64 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ryan McCaffery](https://appshunter.io/developer/507873948) | [PowerSlave Developments](https://appshunter.io/developer/391265658) |

## What reviewers say

### Moon Defence

[App page](https://appshunter.io/ios/app/moon-defence/id604047933)

Defend your space base on the moon from incoming asteroids in this arcade-style game. Pilot your defenses and protect the spaceships from destruction.

**Highlights:** Space arcade gameplay, Defend moon base, Protect spaceships, Asteroid defense

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

**In-app purchases:** none


### JetPack Space Arcade

[App page](https://appshunter.io/ios/app/jetpack-space-arcade/id1472551316)

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

**In-app purchases:** none


## Frequently asked questions

### Is Moon Defence free?

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

### Is JetPack Space Arcade free?

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

### Do Moon Defence or JetPack Space Arcade have ads?

Neither Moon Defence nor JetPack Space Arcade shows ads.

### Which is updated more often, Moon Defence or JetPack Space Arcade?

Moon Defence ships an update every 4 days, and JetPack Space Arcade every 8 months. Most recently, Moon Defence was updated on November 1, 2026 and JetPack Space Arcade on November 6, 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.*