# Trans4motor vs JetTurbineRocketEngine

The clearest difference is price: JetTurbineRocketEngine at Free against Trans4motor's $2.99. JetTurbineRocketEngine also leads on review sentiment (100% vs 56%) and rating (4.8 vs 3.7). Trans4motor's advantage is ads (none vs shown) and ratings volume (70 vs 19). On device support there is nothing between them.

JetTurbineRocketEngine is free to download; Trans4motor costs $2.99 up front. Trans4motor sells 1 one-off in-app purchase. JetTurbineRocketEngine asks for nothing beyond the download.

JetTurbineRocketEngine holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 70 and 19 respectively. Written reviews point the same way: 56% of Trans4motor's written reviews are positive against 100% of JetTurbineRocketEngine's.

## The numbers

| Metric | Trans4motor | JetTurbineRocketEngine |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.7 (70 ratings)](https://appshunter.io/ios/app/trans4motor-engine-simulator/id899277186/reviews) | **[4.8 (19 ratings)](https://appshunter.io/ios/app/jetturbinerocketengine/id6444016318/reviews)** |
| Number of ratings | **70** | 19 |
| Positive reviews | 56.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 24 MB | 91 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kitt Peak, Inc.](https://appshunter.io/developer/399507326) | [Renzo Macedo](https://appshunter.io/developer/1403943580) |

## What reviewers say

### Trans4motor

[App page](https://appshunter.io/ios/app/trans4motor-engine-simulator/id899277186)

Explore the mechanics of 4-stroke engines with this interactive simulator. Visualize the transformation of various engine types and understand their internal workings through detailed CG animation. Enhance your knowledge with adjustable settings and realistic engine sound options.

**Highlights:** Multi-cylinder engine transformation, Realistic engine sound (in-app purchase), Accelerator control simulation, Expandable engine library, Custom engine registration and editing, Interactive educational videos

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Engine Sound | $1.99 | one-time |


### JetTurbineRocketEngine

[App page](https://appshunter.io/ios/app/jetturbinerocketengine/id6444016318)

Explore the inner workings of jet and rocket engines with detailed animated models. Understand the principal parts and operational modes of these complex propulsion systems. This educational app provides a clear, visual explanation of aerospace technology.

**Highlights:** Animated Jet Engine model, Animated Rocket/Cryogenic Engine model, Explains principal parts, Acceleration mode, Transparent mode, Rotate View

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trans4motor free?

Trans4motor costs $2.99, and also offers in-app purchases.

### Is JetTurbineRocketEngine free?

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

### Which has better reviews, Trans4motor or JetTurbineRocketEngine?

JetTurbineRocketEngine is rated higher. Trans4motor averages 3.7 out of 5 from 70 ratings, while JetTurbineRocketEngine averages 4.8 from 19 ratings.

### Do Trans4motor or JetTurbineRocketEngine have ads?

JetTurbineRocketEngine shows ads; Trans4motor 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.*