# Gun Builder Custom Guns vs How it Works

The clearest difference is in-app purchases: How it Works at none against Gun Builder Custom Guns's 1. How it Works also leads on ads (none vs shown) and iOS requirement (7.0 vs 13.0). Gun Builder Custom Guns's advantage is ratings volume (1.7K vs 3). On price, rating and device support there is nothing between them.

Both are free to download. Gun Builder Custom Guns sells 1 one-off in-app purchase. How it Works asks for nothing beyond the download.

How it Works holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Gun Builder Custom Guns has 1.7K ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | Gun Builder Custom Guns | How it Works |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.7K ratings)](https://appshunter.io/ios/app/gun-builder-custom-guns/id1074243262/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/how-it-works-kriss-vector/id1330327713/reviews)** |
| Number of ratings | **1.7K** | 3 |
| Positive reviews | 65.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 150 MB | 120 MB |
| Requires iOS | 13.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Gravity Code](https://appshunter.io/developer/1554824125) | [Noble Empire South Limited](https://appshunter.io/developer/1293786398) |

## What reviewers say

### Gun Builder Custom Guns

[App page](https://appshunter.io/ios/app/gun-builder-custom-guns/id1074243262)

Design and build your own unique virtual pistols with a vast selection of parts. Once created, you can fire your custom weapons with unlimited ammo and realistic sound and visual effects.

**Highlights:** Build custom pistols, Huge selection of pistol parts, Shoot from custom pistols, Unlimited ammo, Realistic gun sound effects, High resolution graphics, Share custom pistols on social media

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | $5.99 | one-time |

**What reviewers like**

- 🚀 Good game to pass the time
- 👍 Realistic
- 👍 Customization options
- 👍 Enjoyable

**What reviewers complain about**

- 🐛 Shooting issues
- 🐛 Lack of weapon variety
- 🐛 Frequent ads
- 💰 Paid content locked

**Reported bugs**

- Sound issues
- Crashes and freezes
- Paid content not working as expected

**Requested features**

- Add more weapon types (AR, sniper, SMG, grenades)
- Improve shooting mechanics
- Reduce ads or make them optional
- Unlock more content for free


### How it Works

[App page](https://appshunter.io/ios/app/how-it-works-kriss-vector/id1330327713)

Explore a detailed 3D model of the HK G3 assault rifle with interactive animations. Discover its internal mechanics, including firing and reloading sequences. Features like slow motion, X-ray, and cutaway modes offer in-depth insights, with augmented reality capabilities for interactive photos.

**Highlights:** Detailed 3D model, Operation animations, Accessory customization, Slow motion playback, X-ray and cutaway modes, Augmented reality support

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

**In-app purchases:** none


## Frequently asked questions

### Is Gun Builder Custom Guns free?

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

### Is How it Works free?

How it Works is free to download, with no in-app purchases.

### Which has better reviews, Gun Builder Custom Guns or How it Works?

How it Works is rated higher. Gun Builder Custom Guns averages 4.5 out of 5 from 1.7K ratings, while How it Works averages 4.7 from 3 ratings.

### Do Gun Builder Custom Guns or How it Works have ads?

Gun Builder Custom Guns shows ads; How it Works does not.

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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.*