# Simulator Neon Grenade vs Gun Builder 3D Simulator

The clearest difference is review sentiment: Gun Builder 3D Simulator at 43% against Simulator Neon Grenade's 0%. Gun Builder 3D Simulator also leads on rating (4.2 vs 3.7) and ratings volume (283 vs 3). Simulator Neon Grenade's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

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

Gun Builder 3D Simulator holds the better App Store score, 4.2 against 3.7. That said, the two scores are not equally well evidenced: Gun Builder 3D Simulator has 283 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Simulator Neon Grenade's written reviews are positive against 43% of Gun Builder 3D Simulator's.

Simulator Neon Grenade ships an update every 20 months, Gun Builder 3D Simulator every 4 months. The most recent releases landed on June 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Simulator Neon Grenade | Gun Builder 3D Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/simulator-neon-grenade/id983149285/reviews) | **[4.2 (283 ratings)](https://appshunter.io/ios/app/gun-builder-3d-simulator/id1377948764/reviews)** |
| Number of ratings | 3 | **283** |
| Positive reviews | 0.0% of reviews | **42.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 4 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 76 MB | 434 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Denis Ivanov](https://appshunter.io/developer/874250666) | [Dimitri Liwenetz](https://appshunter.io/developer/1696108961) |

## What reviewers say

### Simulator Neon Grenade

[App page](https://appshunter.io/ios/app/simulator-neon-grenade/id983149285)

This joke app simulates a neon grenade, offering realistic sounds and animations. It's designed for entertainment and pranks, allowing users to customize grenade colors and light effects for fun with friends and family.

**Highlights:** Simulated neon grenade, Customizable neon lighting, Realistic sound effects, Engaging animations, Prank and joke functionality, Safe for entertainment

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Simulator Neon Grenade free?

Simulator Neon Grenade is free to download, with no in-app purchases.

### Is Gun Builder 3D Simulator free?

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

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

Gun Builder 3D Simulator is rated higher. Simulator Neon Grenade averages 3.7 out of 5 from 3 ratings, while Gun Builder 3D Simulator averages 4.2 from 283 ratings.

### Do Simulator Neon Grenade or Gun Builder 3D Simulator have ads?

Gun Builder 3D Simulator shows ads; Simulator Neon Grenade does not.

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

Simulator Neon Grenade ships an update every 20 months, and Gun Builder 3D Simulator every 4 months. Most recently, Simulator Neon Grenade was updated on June 11, 2026 and Gun Builder 3D Simulator on September 18, 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.*