# Trofii Racing vs simos.app

The clearest difference is ratings volume: Trofii Racing at 51 against simos.app's 2. Trofii Racing also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Trofii Racing sells 10 in-app purchases, starting at $6.99 per month and simos.app sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Trofii Racing against 5.0 for simos.app. That said, the two scores are not equally well evidenced: Trofii Racing has 51 ratings behind it against 2, so its average is the more settled of the two.

Trofii Racing ships an update every 5 days, simos.app every 6 days. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Trofii Racing | simos.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (51 ratings)](https://appshunter.io/ios/app/trofii-racing/id6759013102/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/simosapp/id6760018423/reviews) |
| Number of ratings | **51** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | Free | Free |
| Size | 109 MB | 6 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Trofii LLC](https://appshunter.io/developer/1896306491) | [Tycho Sebastian Holzer](https://appshunter.io/developer/1882338941) |

## What reviewers say

### Trofii Racing

[App page](https://appshunter.io/ios/app/trofii-racing/id6759013102)

This social drag racing app allows drivers to time their runs with GPS-powered precision, share their performance, and compete on global leaderboards. It also features a vehicle garage to track modifications and built-in tools for racers.

**Highlights:** GPS-powered 0-60, 1/8, and 1/4 mile timing, Social racing feed to share runs and times, Global and class-based leaderboards, Vehicle garage to track mods and specs, Density altitude calculator, Horsepower estimator, 1/4 mile ET predictor

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trofii Premium | $6.99 | per month |
| Trofii Premium | $7.99 | per month |
| Trofii Premium | $49.99 | per year |
| Trofii Premium | $59.99 | per year |
| Density Altitude | $0.99 | one-time |
| Can I Take 'Em? | $0.99 | one-time |
| 1/4 Mile ET | $0.99 | one-time |
| 60-130 MPH | $0.99 | one-time |
| Roll Race Predictor | $0.99 | one-time |
| All Calculators Pack | $14.99 | one-time |


### simos.app

[App page](https://appshunter.io/ios/app/simosapp/id6760018423)

This tool provides diagnostic, data logging, and flashing capabilities for VAG petrol engines with specific Simos ECUs. Monitor real-time engine parameters, analyze recorded sessions with graphs, and update your ECU with stock or custom tunes.

**Highlights:** Real-time ECU parameter monitoring, Live data logging via Bluetooth LE, ECU identification (software/calibration IDs), Multi-channel graph analysis of logged sessions, ECU and TCU flashing (stock and custom tunes), Support for Simos 18.x and 12.1 ECUs

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App VIN Unlock | $17.99 | one-time |
| Wizard: Pops & Bangs - Single Bin | $17.99 | one-time |
| Stage 1 Bin | $179.99 | one-time |


## Frequently asked questions

### Is Trofii Racing free?

Trofii Racing is free to download, with in-app purchases available.

### Is simos.app free?

simos.app is free to download, with in-app purchases available.

### Which has better reviews, Trofii Racing or simos.app?

Trofii Racing and simos.app are both rated 5.0 out of 5 on the App Store, from 51 and 2 ratings respectively.

### Do Trofii Racing or simos.app have ads?

Neither Trofii Racing nor simos.app shows ads.

### Which is updated more often, Trofii Racing or simos.app?

Trofii Racing ships an update every 5 days, and simos.app every 6 days. Most recently, Trofii Racing was updated on October 16, 2026 and simos.app on October 18, 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.*