Trofii Racing vs simos.app
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trofii Racing
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.
- 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
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Trofii Racing is the social drag racing app built for every driver. From weekend warriors to serious competitors. Whether you're chasing your personal best or going head-to-head with racers around the world, Trofii gives you the tools to race, share, and compete. Remote Callouts: Challenge anyone, anywhere. Challenge racers across the country or around the world. Both run at your own location, times sync and compare. Settle the score without being in the same place. GPS-Powered Timing: Connect your Dragy or compatible GPS device for precision 0-60, 1/8 mile, and 1/4 mile timing. Get accurate, consistent data every single run. Social Racing Feed: Share your runs, times, and see what the community is running. Follow your favorite drivers all in a feed built around the racing lifestyle. Leaderboards & Competitions: Compete in global and class based leaderboards. See how your vehicle stacks up against builds all over the globe. Vehicle Garage: Build out your garage with your vehicles, mods, and specs. Your profile tells the story of your build… every upgrade, every run, every trophy. Built-In Racing Tools: Density altitude calculator, horsepower estimator, 1/4 mile ET predictor, E85 station finder and more… everything a serious racer needs, built right in. Built for the Community: Trofii Racing isn't just a timing app it's where automotive enthusiasts live. Connect with drivers who share your passion, find local competition, and track your progress as you push your build further. Download Trofi Racing and start earning your trophies. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
simos.app
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.
- 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
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simos.app is a diagnostic, data logging and flashing tool built specifically for VAG petrol engines running Simos 18.1, 18.2, 18.6, 18.10 and Simos 12.1 ECUs. The platforms found in most modern TSI and TFSI engines across Audi, VW, Škoda, SEAT, Cupra and Porsche. LIVE DATA LOGGING Read ECU parameters directly in real time. Monitor boost pressure, injection timing, lambda, temperatures, torque and more at high sample rates over a Bluetooth LE connection. ECU IDENTIFICATION Read software versions, calibration IDs and hardware info straight from the control unit. LOG ANALYSIS Visualize recorded sessions with multi-channel graphs. Spot correlations between parameters without leaving the app. FLASHING Update your ECU and TCU to the latest version for your vehicle or flash a custom tune. Full features available for Simos 18.1/18.10 and 18.6. Flashing stock files or pre-unlocked ecus for Simos 18.2, 18.4, 18.41 and Simos 12.1. –– Built for enthusiasts, tuners and workshops who need more than a generic scan tool. Basic knowledge of ECU diagnostics is recommended. This app is for informational and diagnostic purposes only. Any modifications to vehicle systems are the sole responsibility of the user and must comply with local laws and regulations. –– Bluetooth LE OBD adapter required. Get yours here: https://simos.app/dongle Other compatible adapters: Macchina A0, DIY A0 clone https://github.com/Switchleg1/AMAleg require custom firmware: https://simos.app/dongle/firmware
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Trofii Racing | simos.app |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (51 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 51 — better | 2 |
| Update frequency | Every 5 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 109 MB | 6 MB |
| Age rating | 12+ | 4+ |
| Developer | Trofii LLC | Tycho Sebastian Holzer |
Customer experience
Trofii Racing
simos.app
In-app purchases
Trofii Racing
- Trofii Premium7 Days trial$6.991 Month
- Trofii Premium7 Days trial$7.991 Month
- Trofii Premium7 Days trial$49.991 Year
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- Trofii Premium7 Days trial$59.991 Year
- Density Altitude$0.99
- Can I Take 'Em?$0.99
- 1/4 Mile ET$0.99
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- 60-130 MPH$0.99
- Roll Race Predictor$0.99
- All Calculators Pack$14.99
simos.app
- App VIN Unlock$17.99
- Wizard: Pops & Bangs - Single Bin$17.99
- Stage 1 Bin$179.99







