# Gun Builder 3D! vs Simon in space game

The clearest difference is review sentiment: Simon in space game at 100% against Gun Builder 3D!'s 53%. Simon in space game also leads on update cadence (daily vs fortnightly) and rating (5.0 vs 4.7). Gun Builder 3D!'s advantage is in-app purchases (none vs 6) and ratings volume (4.5K vs 2). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Simon in space game sells 6 in-app purchases, starting at $1.09 per month. Gun Builder 3D! asks for nothing beyond the download.

Simon in space game holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Gun Builder 3D! has 4.5K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 53% of Gun Builder 3D!'s written reviews are positive against 100% of Simon in space game's.

Gun Builder 3D! ships an update fortnightly, Simon in space game daily. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Gun Builder 3D! | Simon in space game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (4.5K ratings)](https://appshunter.io/ios/app/gun-builder-3d/id1492690876/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simon-in-space-game/id6815565060/reviews)** |
| Number of ratings | **4.5K** | 2 |
| Positive reviews | 52.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 407 MB | 125 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [moztec](https://appshunter.io/developer/932993004) | [Reynaldo San Juan Acosta](https://appshunter.io/developer/6815565062) |

## What reviewers say

### Gun Builder 3D!

[App page](https://appshunter.io/ios/app/gun-builder-3d/id1492690876)

Assemble intricate firearms in a 3D puzzle environment. Fulfill orders, earn in-game currency, and unlock new tools and weapon designs. Enjoy smooth animations and a satisfying building experience.

**Highlights:** 3D puzzle gun assembly, Fulfill gun orders, Earn in-game money, Unlock new tools and guns, Upgrade workspace, Smooth animations

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💕 Enjoyable game
- 👍 Minimal ads
- 🤩 Fun and challenging
- 🎉 Great for passing time
- 🙂 Relaxing experience

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🤔 Overly precise part placement
- 💸 Too many ads
- 🤯 Frustrating difficulty
- 😕 Inaccurate gun representations

**Reported bugs**

- Game crashes on launch
- Progress resets or gets deleted
- Parts not registering in correct spots
- Freezing and performance issues
- Compatibility problems on certain devices

**Requested features**

- More levels and guns
- Shooting range or target practice mode
- Camera mode to view built guns
- Less restrictive part placement
- Improved gun accuracy and realism


### Simon in space game

[App page](https://appshunter.io/ios/app/simon-in-space-game/id6815565060)

Test your cosmic memory by remembering and repeating sequences across diverse planets. Improve focus with progressively challenging levels and explore unique visual styles. Offers multiple game modes and customizable settings for a personalized experience.

**Highlights:** Memory sequence training, Cosmic planet exploration, Sequence and pairs modes, Customizable audio settings, Adjustable difficulty levels, Progressive challenge increase

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.09 | per month |
| 50 Coins | $0.99 | one-time |
| 100 Coins | $1.49 | one-time |
| 1 Battery | $1.99 | one-time |
| 3 Batteries | $2.99 | one-time |
| 500 Coins | $5.99 | one-time |


## Frequently asked questions

### Is Gun Builder 3D! free?

Gun Builder 3D! is free to download, with no in-app purchases.

### Is Simon in space game free?

Simon in space game is free to download, with in-app purchases available.

### Which has better reviews, Gun Builder 3D! or Simon in space game?

Simon in space game is rated higher. Gun Builder 3D! averages 4.7 out of 5 from 4.5K ratings, while Simon in space game averages 5.0 from 2 ratings.

### Do Gun Builder 3D! or Simon in space game have ads?

Both Gun Builder 3D! and Simon in space game show ads.

### Which is updated more often, Gun Builder 3D! or Simon in space game?

Gun Builder 3D! ships an update fortnightly, and Simon in space game daily. Most recently, Gun Builder 3D! was updated on November 3, 2026 and Simon in space game 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.*