# Galaxy Space Simulator 3D vs Asteroid Defender

The clearest difference is review sentiment: Asteroid Defender at 100% against Galaxy Space Simulator 3D's 40%. Asteroid Defender also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 13). Galaxy Space Simulator 3D's advantage is ratings volume (457 vs 5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Galaxy Space Simulator 3D sells 13 one-off in-app purchases. Asteroid Defender asks for nothing beyond the download.

Asteroid Defender holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Galaxy Space Simulator 3D has 457 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 40% of Galaxy Space Simulator 3D's written reviews are positive against 100% of Asteroid Defender's.

Galaxy Space Simulator 3D ships an update every 5 months, Asteroid Defender every 4 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Galaxy Space Simulator 3D | Asteroid Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (457 ratings)](https://appshunter.io/ios/app/galaxy-space-simulator-3d/id1236414128/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/asteroid-defender/id1485192906/reviews)** |
| Number of ratings | **457** | 5 |
| Positive reviews | 39.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 219 MB | 126 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krassimir Kondarev](https://appshunter.io/developer/1236414127) | [IMABEAR STUDIOS LLC](https://appshunter.io/developer/1186065593) |

## What reviewers say

### Galaxy Space Simulator 3D

[App page](https://appshunter.io/ios/app/galaxy-space-simulator-3d/id1236414128)

Create and explore your own universe with a realistic 3D space simulator. Witness celestial bodies orbit, form asteroid belts, and customize planets with various textures and skins. Save, load, and share your cosmic creations with others.

**Highlights:** Realistic 3D graphics, Physics-based gravity simulation, Planet and star customization, Save, load, and pause functionality, Share creations online, Unlockable content through achievements

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| High Res Ceres | $0.99 | one-time |
| High Res Jupiter | $0.99 | one-time |
| Remove ads | $0.99 | one-time |
| Skybox deep space | $0.99 | one-time |
| Skybox green nebula | $0.99 | one-time |
| High Res Earth | $1.99 | one-time |
| High Res Night Earth | $1.99 | one-time |
| Add 5 more planets | $2.99 | one-time |
| Skybox nebulas clash | $2.99 | one-time |
| Unlock asteroid belts | $3.99 | one-time |
| Premium planets bundle | $3.99 | one-time |
| Add 10 more planets | $4.99 | one-time |
| Unlock every feature in game! | $14.99 | one-time |

**What reviewers like**

- 🚀 Fast loading
- 👍 Good graphics
- 💡 Motivating
- 👍 Fun to play

**What reviewers complain about**

- 🐛 Slow loading
- 🐛 Buggy
- 🐛 Difficult to use
- 🐛 Limits on features

**Reported bugs**

- Perpetual loading screen
- Planets and systems not functioning properly
- Zooming and navigation issues
- Frequent crashes and app not launching

**Requested features**

- Add a loading bar
- Improve navigation and controls
- Increase planet and system creation limits
- Add more advanced features (black holes, wormholes, etc.)


### Asteroid Defender

[App page](https://appshunter.io/ios/app/asteroid-defender/id1485192906)

Engage in classic arcade-style gameplay to protect Earth from incoming asteroids. Tap to steer and hold to accelerate your ship's spin to destroy threats before they reach the planet.

**Highlights:** Classic arcade action, Tap to change direction, Hold to spin faster, Protect Earth from asteroids, Simple controls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Galaxy Space Simulator 3D free?

Galaxy Space Simulator 3D is free to download, with in-app purchases available.

### Is Asteroid Defender free?

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

### Which has better reviews, Galaxy Space Simulator 3D or Asteroid Defender?

Asteroid Defender is rated higher. Galaxy Space Simulator 3D averages 4.4 out of 5 from 457 ratings, while Asteroid Defender averages 5.0 from 5 ratings.

### Do Galaxy Space Simulator 3D or Asteroid Defender have ads?

Neither Galaxy Space Simulator 3D nor Asteroid Defender shows ads.

### Which is updated more often, Galaxy Space Simulator 3D or Asteroid Defender?

Galaxy Space Simulator 3D ships an update every 5 months, and Asteroid Defender every 4 months. Most recently, Galaxy Space Simulator 3D was updated on October 17, 2026 and Asteroid Defender on October 13, 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.*