# Gun Builder 3D Simulator vs Firearm

The clearest difference is rating: Gun Builder 3D Simulator at 4.2 against Firearm's 1.0. Gun Builder 3D Simulator also leads on ratings volume (316 vs 1). Firearm's advantage is in-app purchases (none vs 2) and update cadence (every 3 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gun Builder 3D Simulator sells 2 one-off in-app purchases. Firearm asks for nothing beyond the download.

Gun Builder 3D Simulator holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Gun Builder 3D Simulator has 316 ratings behind it against 1, so its average is the more settled of the two.

Gun Builder 3D Simulator ships an update every 4 months, Firearm every 3 days. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Gun Builder 3D Simulator | Firearm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (316 ratings)](https://appshunter.io/ios/app/gun-builder-3d-simulator/id1377948764/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/firearm-gun-sound-simulator3d/id6474303829/reviews) |
| Number of ratings | **316** | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 434 MB | 189 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Dimitri Liwenetz](https://appshunter.io/developer/1696108961) | [Hashbit Infotech](https://appshunter.io/developer/1459241114) |

## What reviewers say

### Gun Builder 3D Simulator

[App page](https://appshunter.io/ios/app/gun-builder-3d-simulator/id1377948764)

Design and customize your own firearms in a 3D simulator. Equip them with various accessories and test their accuracy in virtual shooting galleries. Share your creations with friends for virtual battles.

**Highlights:** Design custom firearms, Add accessories and skins, Realistic shooting sounds and effects, Virtual shooting gallery, Share weapon designs, Play virtual battles

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads | $1.99 | one-time |
| All weapons and upgrades | $5.99 | one-time |

**What reviewers like**

- 👍 Good gun simulator
- 👍 Fun gameplay
- 👍 Good animations
- 👍 Decent disassembly/assembly
- 👍 Good representation of hipfiring

**What reviewers complain about**

- 😞 Too many ads
- 😞 Ads are intrusive
- 😞 Missing key factors
- 😞 Horrible physics
- 😞 Fake advertising

**Reported bugs**

- Wouldn't let me unlock locked guns
- Slide not locking back when mag is empty (pistols)
- Charging handle moves back when out of ammo
- Reload glitch with magazine floating in air
- Startup crashing on iPhone 5 iOS 10.3.4

**Requested features**

- Unlock locked guns
- More guns (sniper, Glock 17, MP5, AK74, HK417)
- Add Mac gun
- Weapon cycling
- Press and release animation for bolt catch


### Firearm

[App page](https://appshunter.io/ios/app/firearm-gun-sound-simulator3d/id6474303829)

Experience realistic gun sounds and a diverse arsenal of firearms. This simulator offers simple controls, various ammo types, and global challenges. Learn interesting facts about each weapon for an educational and immersive experience.

**Highlights:** Realistic gun sound effects, Diverse firearm arsenal, Simple tap-to-shoot controls, Variety of ammunition types, Global shooting challenges, Educational firearm facts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gun Builder 3D Simulator free?

Gun Builder 3D Simulator is free to download, with in-app purchases available.

### Is Firearm free?

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

### Which has better reviews, Gun Builder 3D Simulator or Firearm?

Gun Builder 3D Simulator is rated higher. Gun Builder 3D Simulator averages 4.2 out of 5 from 316 ratings, while Firearm averages 1.0 from 1 ratings.

### Do Gun Builder 3D Simulator or Firearm have ads?

Both Gun Builder 3D Simulator and Firearm show ads.

### Which is updated more often, Gun Builder 3D Simulator or Firearm?

Gun Builder 3D Simulator ships an update every 4 months, and Firearm every 3 days. Most recently, Gun Builder 3D Simulator was updated on October 26, 2026 and Firearm on October 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.*