# Trans4motor vs 2 Stroke Petrol

The clearest difference is price: 2 Stroke Petrol at Free against Trans4motor's $2.99. 2 Stroke Petrol also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). On ads and device support there is nothing between them.

2 Stroke Petrol is free to download; Trans4motor costs $2.99 up front. Trans4motor sells 1 one-off in-app purchase. 2 Stroke Petrol asks for nothing beyond the download.

## The numbers

| Metric | Trans4motor | 2 Stroke Petrol |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.7 (70 ratings)](https://appshunter.io/ios/app/trans4motor-engine-simulator/id899277186/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 56.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 205 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kitt Peak, Inc.](https://appshunter.io/developer/399507326) | [Steven McKee](https://appshunter.io/developer/1637204125) |

## 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 |


### 2 Stroke Petrol

[App page](https://appshunter.io/ios/app/2-stroke-petrol/id6472241848)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trans4motor free?

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

### Is 2 Stroke Petrol free?

2 Stroke Petrol is free to download, with no in-app purchases.

### Do Trans4motor or 2 Stroke Petrol have ads?

Neither Trans4motor nor 2 Stroke Petrol 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.*