# Trans4motor S vs Steam Engines

The clearest difference is price: Steam Engines at $0.99 against Trans4motor S's $5.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Trans4motor S costs $5.99 and Steam Engines $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Trans4motor S | Steam Engines |
| --- | --- | --- |
| Price | $5.99 | **$0.99** |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/trans4motor-s/id1561448237/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Paid | — |
| Size | 127 MB | 25 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kitt Peak, Inc.](https://appshunter.io/developer/399507326) | [Peter Benner](https://appshunter.io/developer/1877066949) |

## What reviewers say

### Trans4motor S

[App page](https://appshunter.io/ios/app/trans4motor-s/id1561448237)

Explore the inner workings of various four-stroke aircraft engines through detailed CG animations. Experience realistic engine sounds, throttle control, and interactive modes like cutaway views and engine start-up simulations. Learn about engine mechanics and history.

**Highlights:** Transform between engine types, Realistic engine sound and throttle control, Cutaway view of engine internals, Virtual engine start-up procedure, Interactive movie presentations, Machine gun firing simulation

**Features:** macOS Compatibility

**In-app purchases:** none


### Steam Engines

[App page](https://appshunter.io/ios/app/steam-engines/id6796430769)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trans4motor S free?

Trans4motor S costs $5.99, with no in-app purchases.

### Is Steam Engines free?

Steam Engines costs $0.99, with no in-app purchases.

### Do Trans4motor S or Steam Engines have ads?

Neither Trans4motor S nor Steam Engines shows ads.

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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.*