# How it Works vs Gun Builder Simulator

The clearest difference is in-app purchases: How it Works at none against Gun Builder Simulator's 1. How it Works also leads on ads (none vs shown) and rating (4.7 vs 4.3). Gun Builder Simulator's advantage is ratings volume (329 vs 3). On price and device support there is nothing between them.

Both are free to download. Gun Builder Simulator 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 4.3. That said, the two scores are not equally well evidenced: Gun Builder Simulator has 329 ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | How it Works | Gun Builder Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/how-it-works-kriss-vector/id1330327713/reviews)** | [4.3 (329 ratings)](https://appshunter.io/ios/app/gun-builder-simulator/id1448602385/reviews) |
| Number of ratings | 3 | **329** |
| Positive reviews | — | 67.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 120 MB | 95 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Noble Empire South Limited](https://appshunter.io/developer/1293786398) | [Marijana Peric](https://appshunter.io/developer/1711240603) |

## What reviewers say

### 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


### 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 |


## Frequently asked questions

### Is How it Works free?

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

### Is Gun Builder Simulator free?

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

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

How it Works is rated higher. How it Works averages 4.7 out of 5 from 3 ratings, while Gun Builder Simulator averages 4.3 from 329 ratings.

### Do How it Works or Gun Builder Simulator have ads?

Gun Builder Simulator 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.*