# Gun Builder Simulator vs Knife Simulator 3D

The clearest difference is in-app purchases: Knife Simulator 3D at none against Gun Builder Simulator's 1. Knife Simulator 3D also leads on review sentiment (100% vs 68%) and rating (4.7 vs 4.3). Gun Builder Simulator's advantage is update cadence (every 5 months vs every 20 months) and ratings volume (329 vs 38). On price, ads and device support there is nothing between them.

Both are free to download. Gun Builder Simulator sells 1 one-off in-app purchase. Knife Simulator 3D asks for nothing beyond the download.

Knife Simulator 3D holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Gun Builder Simulator has 329 ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 68% of Gun Builder Simulator's written reviews are positive against 100% of Knife Simulator 3D's.

Gun Builder Simulator ships an update every 5 months, Knife Simulator 3D every 20 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Gun Builder Simulator | Knife Simulator 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (329 ratings)](https://appshunter.io/ios/app/gun-builder-simulator/id1448602385/reviews) | **[4.7 (38 ratings)](https://appshunter.io/ios/app/knife-simulator-3d-balisong/id6446422235/reviews)** |
| Number of ratings | **329** | 38 |
| Positive reviews | 67.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 months** | Every 20 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 95 MB | 275 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Marijana Peric](https://appshunter.io/developer/1711240603) | [Valeriya Proshina](https://appshunter.io/developer/1230337562) |

## What reviewers say

### Gun Builder Simulator

[App page](https://appshunter.io/ios/app/gun-builder-simulator/id1448602385)

Explore a vast arsenal of realistic firearms, from assault rifles to pistols. Customize weapons with various attachments and experience authentic mechanics, including muzzle flashes and shell ejection. Enjoy unlimited ammo and simulation shooting with over 150 levels.

**Highlights:** Unlimited Ammo, Realistic Muzzle Flashes, 3D Ejecting Shells, Functional Attachments, Weapon Customization, Simulation Shooting, Shooting Range

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $2.99 | one-time |


### Knife Simulator 3D

[App page](https://appshunter.io/ios/app/knife-simulator-3d-balisong/id6446422235)

Experience a realistic knife simulation with a collection of 16 interactive 3D automatic knives. Enjoy authentic opening sounds and animations, with various opening mechanisms like shaking or swiping. It's a safe way to explore your interest in knives.

**Highlights:** 16 types of 3D knives, Interactive knife models, Realistic opening sounds, Real animation and controller, Multiple opening mechanisms, Safe virtual gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gun Builder Simulator free?

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

### Is Knife Simulator 3D free?

Knife Simulator 3D is free to download, with no in-app purchases.

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

Knife Simulator 3D is rated higher. Gun Builder Simulator averages 4.3 out of 5 from 329 ratings, while Knife Simulator 3D averages 4.7 from 38 ratings.

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

Both Gun Builder Simulator and Knife Simulator 3D show ads.

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

Gun Builder Simulator ships an update every 5 months, and Knife Simulator 3D every 20 months. Most recently, Gun Builder Simulator was updated on October 24, 2026 and Knife Simulator 3D on October 22, 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.*