# Sky Troops vs Space Defense

The clearest difference is in-app purchases: Space Defense at none against Sky Troops's 3. Space Defense also leads on iOS requirement (13.0 vs 15.6). Sky Troops's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Sky Troops sells 3 one-off in-app purchases. Space Defense asks for nothing beyond the download.

## The numbers

| Metric | Sky Troops | Space Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/sky-troops/id993485690/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 89 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 9+ | 4+ |
| Developer | [Tang Cho man](https://appshunter.io/developer/592719186) | [kerem yokuva](https://appshunter.io/developer/499612704) |

## What reviewers say

### Sky Troops

[App page](https://appshunter.io/ios/app/sky-troops/id993485690)

Pilot a steampunk plane in this cartoon-style scrolling shooter. Engage in intense aerial combat, dodge enemy attacks, and unleash bombs to defeat waves of foes. Upgrade your aircraft or unlock new planes with collected energy to face challenging bosses and enjoy thrilling gameplay.

**Highlights:** Control steampunk planes, Fight waves of enemies, Upgrade and unlock planes, Six distinctive fighter choices, Multiple upgrade levels per fighter, Challenging boss battles

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Bombs | $0.99 | one-time |
| 100 Energy | $1.99 | one-time |
| 200 Energy | $2.99 | one-time |


### Space Defense

[App page](https://appshunter.io/ios/app/space-defense-invaders/id6739243965)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sky Troops free?

Sky Troops is free to download, with in-app purchases available.

### Is Space Defense free?

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

### Do Sky Troops or Space Defense have ads?

Both Sky Troops and Space Defense show 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.*