# Trans4motor vs PNTC Mobile Portal

The clearest difference is price: PNTC Mobile Portal at Free against Trans4motor's $2.99. PNTC Mobile Portal also leads on in-app purchases (none vs 1). Trans4motor's advantage is update cadence (every 2 months vs every 7 months). On ads, device support and iOS requirement there is nothing between them.

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

Trans4motor ships an update every 2 months, PNTC Mobile Portal every 7 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Trans4motor | PNTC Mobile Portal |
| --- | --- | --- |
| 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** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 33 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kitt Peak, Inc.](https://appshunter.io/developer/399507326) | [OrangeApps Inc](https://appshunter.io/developer/656184763) |

## 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 |


### PNTC Mobile Portal

[App page](https://appshunter.io/ios/app/pntc-mobile-portal/id6760343376)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trans4motor free?

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

### Is PNTC Mobile Portal free?

PNTC Mobile Portal is free to download, with no in-app purchases.

### Do Trans4motor or PNTC Mobile Portal have ads?

Neither Trans4motor nor PNTC Mobile Portal shows ads.

### Which is updated more often, Trans4motor or PNTC Mobile Portal?

Trans4motor ships an update every 2 months, and PNTC Mobile Portal every 7 months. Most recently, Trans4motor was updated on October 26, 2026 and PNTC Mobile Portal on October 25, 2026.

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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.*