# How it Works vs hero machine

The clearest difference is ads: How it Works at none against hero machine's shown. How it Works also leads on iOS requirement (7.0 vs 14.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | How it Works | hero machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/how-it-works-mg3/id1330327766/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Monetization | Free | — |
| Size | 121 MB | 139 MB |
| Requires iOS | **7.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Noble Empire South Limited](https://appshunter.io/developer/1293786398) | [HARUNOBU SATAKUNI](https://appshunter.io/developer/1364844825) |

## What reviewers say

### How it Works

[App page](https://appshunter.io/ios/app/how-it-works-mg3/id1330327766)

Explore the inner workings of the German MG 3 machine gun with a detailed 3D model. Features include operation animations, X-ray and cutaway views, and augmented reality capabilities for interactive learning.

**Highlights:** Detailed 3D model, Operation animations (fire, reload, safety), X-ray and cutaway modes, Tap'n'Hide part removal, Augmented reality mode, Slow motion playback

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

**In-app purchases:** none


### hero machine

[App page](https://appshunter.io/ios/app/hero-machine/id6480411540)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is How it Works free?

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

### Is hero machine free?

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

### Do How it Works or hero machine have ads?

hero machine 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.*