Comparison

Trofii Racing vs simos.app

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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/

About

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.

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
Read full description

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

Trofii Racing4 screens
simos.app4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Trofii Racing versus simos.app: the parameters behind the verdict, then further details
ParameterTrofii Racingsimos.app
PriceFreeFree
Rating5.0 (51 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings51 — better2
Update frequencyEvery 5 days — betterEvery 6 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.6
Further details — not scored
Size109 MB6 MB
Age rating12+4+
DeveloperTrofii LLCTycho Sebastian Holzer

Customer experience

Trofii Racing

All ratings51 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

simos.app

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Trofii Racing

Subscriptions4
  • Trofii Premium7 Days trial$6.991 Month
  • Trofii Premium7 Days trial$7.991 Month
  • Trofii Premium7 Days trial$49.991 Year
Show 1 more
  • Trofii Premium7 Days trial$59.991 Year
One-time6
  • Density Altitude$0.99
  • Can I Take 'Em?$0.99
  • 1/4 Mile ET$0.99
Show 3 more
  • 60-130 MPH$0.99
  • Roll Race Predictor$0.99
  • All Calculators Pack$14.99
3 purchases

simos.app

One-time3
  • App VIN Unlock$17.99
  • Wizard: Pops & Bangs - Single Bin$17.99
  • Stage 1 Bin$179.99

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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