Comparison

MODI Mobile Diagnostics vs RacingLine PDM

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

Head to head
About

MODI Mobile Diagnostics

Features
Read full description

MODI is a next-generation mobile diagnostic interface, designed and developed by Abrites. Manufactured by the highest standards in the industry, it has been created with automotive enthusiasts in mind, giving you a vast variety of diagnostic and customization options. MODI allows you to tap into the full potential of your vehicle by unlocking coding functions for your car. Main functionalities: • Vehicle diagnostics • Reading and clearing diagnostic trouble codes • Live data displayed in a graph and table view • Module scan • Coding and customization options • Health Report With MODI, you can read and clear diagnostic trouble codes from your car. A “Check Engine” light popped up on your dashboard and your vehicle is now in emergency mode? Not a problem - with MODI, you can perform diagnostics review the trouble code, clear it, drive your car to the nearby mechanic, or continue your journey! You’ve just collected your car from the service shop and noticed that the service intervals are not reset. With MODI in your glove box, this is not an issue anymore - now you can reset the service intervals on your car all by yourself, quickly and easily. We are officially introducing our newest feature: Health Report. Planning a family trip? With our Health Report feature, you can scan all modules on your vehicle, review the registered trouble codes and understand the state of your car. This will point you to potential problems you may face during your upcoming trip so that you can plan a visit to your mechanic. This feature has the potential to spare you costly roadside assistance and repair bills. With MODI, you are getting much, much more. Coding Features*: BMW • Unlock the “M” logo and change other visual elements on the instrument cluster and HUD • Enable full-screen Apple Carplay • Enable/disable the engine Start-Stop system VAG • Enable needle sweep and lap time on the instrument cluster and HUD • Change the startup screen on the instrument cluster/HUD • Enable/disable side-mirror folding and opening on vehicle lock/unlock • Enable wireless Apple Carplay (if the wired function is supported) Peugeot/Citroen • Configure DRL • Enable/disable side-mirror folding and opening on vehicle lock/unlock *The coding features are available only on supported car brands and models. The MODI hardware is Bluetooth-enabled and works with the designated MODI app, available in the Apple Store. You need less than 3 minutes to install your MODI on your car and start using it. How It Works: 1. Connect MODI to your car using the OBD2 port. 2. Download the MODI app on your phone from the App Store. 3. Open the MODI app, select your car brand and access the features and configurations of your car. No in-app purchases or subscriptions are required while you are using MODI. What does this mean for you? You will no longer have to worry about recurring charges, and you will have access to all features of the app without having to pay extra. This will make it easier for you to use MODI and get the most out of it. Have you ever wanted to unlock the full potential of your car? With MODI, you can do just that!

About

RacingLine PDM

Manage, tune, and diagnose your VAG Group vehicle with this app. It offers Bluetooth connectivity for seamless ECU access and supports a wide range of Volkswagen and Audi Group cars. Regular updates ensure new features and compatibility.

Highlights
  • Vehicle management
  • ECU tuning
  • Diagnostics
  • Bluetooth connectivity
  • VAG Group vehicle support
  • Regular updates
Features
Read full description

RacingLine PDM is the cutting-edge app designed to revolutionise the way you manage, tune, and diagnose your VAG Group vehicle—all from the convenience of your smartphone. With RacingLine PDM, unleash the true potential of your car, ensuring optimal performance. RacingLine PDM is designed with the user in mind, featuring an intuitive and sleek interface that makes remapping and diagnostics straightforward, even for new users: Bluetooth Connectivity: Seamlessly connect to your vehicle’s ECU using Bluetooth or WiFi, ensuring a hassle-free setup without the need for cables or adapters. RacingLine PDM supports a wide range of Volkwagen and Audi Group vehicles, ensuring that no matter what car you drive, you can benefit from our app’s powerful features and effortless tuning. Regular Updates: Our team constantly updates the app to include new vehicle models and improve compatibility, ensuring you always have the latest tools at your disposal. Global Reach: Whether you’re in the US, Europe, Asia, or anywhere else in the world, RacingLine PDM is designed to work with vehicles from various markets.

Screenshots

MODI Mobile Diagnostics4 screens
RacingLine PDM3 screens

Verdict

The call

The clearest difference is iOS requirement: RacingLine PDM at 12.2 against MODI Mobile Diagnostics's 15.6. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MODI Mobile Diagnostics ships an update monthly, RacingLine PDM every 5 weeks. The most recent releases landed on September 21, 2026 and July 22, 2026 respectively.

Scorecard1 real difference · 9 level
MODI Mobile Diagnostics versus RacingLine PDM: the parameters behind the verdict, then further details
ParameterMODI Mobile DiagnosticsRacingLine PDM
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.2 — better
Further details — not scored
Size66 MB141 MB
Age rating4+4+
DeveloperMODI Abrites Ltd.Racing Line Limited

In-app purchases

None

MODI Mobile Diagnostics

No in-app purchases

None

RacingLine PDM

No in-app purchases

Questions

Is MODI Mobile Diagnostics free?
MODI Mobile Diagnostics is free to download, with no in-app purchases.
Is RacingLine PDM free?
RacingLine PDM is free to download, with no in-app purchases.
Do MODI Mobile Diagnostics or RacingLine PDM have ads?
Neither MODI Mobile Diagnostics nor RacingLine PDM shows ads.
Which is updated more often, MODI Mobile Diagnostics or RacingLine PDM?
MODI Mobile Diagnostics ships an update monthly, and RacingLine PDM every 5 weeks. Most recently, MODI Mobile Diagnostics was updated on September 21, 2026 and RacingLine PDM on July 22, 2026.

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