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Obd Mary: OBD2 ELM Car Scanner on Windows Pc

Developed By: OBD Apps

License: Free

Rating: 4,6/5 - 146.505 votes

Last Updated: August 05, 2026

Download on Windows PC

Compatible with Windows 10/11 PC & Laptop

App Details

Version 1.288
Size 53.9 MB
Release Date December 20, 25
Category Auto & Vehicles Apps

App Permissions:
Allows applications to connect to paired bluetooth devices. [see more (8)]

What's New:
Added more default gauges on dashboardAdded more OBD-2 parametersFixed some bugs [see more]

Description from Developer:
Obd Mary is a EOBD \ OBD-2 car diagnostic scanner, gauge dashboard and trip computer with a number of cool features.

With our OBD2 Car Scanner OBD Mary it is possible not only re... [read more]

App preview ([see all 19 screenshots])

App preview

About this app

On this page you can download Obd Mary: OBD2 ELM Car Scanner and install on Windows PC. Obd Mary: OBD2 ELM Car Scanner is free Auto & Vehicles app, developed by OBD Apps. Latest version of Obd Mary: OBD2 ELM Car Scanner is 1.288, was released on 2025-12-20 (updated on 2026-08-05). Estimated number of the downloads is more than 1,000,000. Overall rating of Obd Mary: OBD2 ELM Car Scanner is 4,6. Generally most of the top apps on Android Store have rating of 4+. This app had been rated by 146,505 users, 122,431 users had rated it 5*, 8,253 users had rated it 1*.

How to install Obd Mary: OBD2 ELM Car Scanner on Windows?

Instruction on how to install Obd Mary: OBD2 ELM Car Scanner on Windows 10 Windows 11 PC & Laptop

In this post, I am going to show you how to install Obd Mary: OBD2 ELM Car Scanner on Windows PC by using Android App Player such as BlueStacks, LDPlayer, Nox, KOPlayer, ...

Before you start, you will need to download the APK/XAPK installer file, you can find download button on top of this page. Save it to easy-to-find location.

[Note] You can also download older versions of this app on bottom of this page.

Below you will find a detailed step-by-step guide, but I want to give you a fast overview of how it works. All you need is an emulator that will emulate an Android device on your Windows PC and then you can install applications and use it - you see you're playing it on Android, but this runs not on a smartphone or tablet, it runs on a PC.

If this doesn't work on your PC, or you cannot install, comment here and we will help you!

Step By Step Guide To Install Obd Mary: OBD2 ELM Car Scanner using BlueStacks

  1. Download and Install BlueStacks at: https://www.bluestacks.com. The installation procedure is quite simple. After successful installation, open the Bluestacks emulator. It may take some time to load the Bluestacks app initially. Once it is opened, you should be able to see the Home screen of Bluestacks.
  2. Open the APK/XAPK file: Double-click the APK/XAPK file to launch BlueStacks and install the application. If your APK/XAPK file doesn't automatically open BlueStacks, right-click on it and select Open with... Browse to the BlueStacks. You can also drag-and-drop the APK/XAPK file onto the BlueStacks home screen
  3. Once installed, click "Obd Mary: OBD2 ELM Car Scanner" icon on the home screen to start using, it'll work like a charm :D

[Note 1] For better performance and compatibility, choose BlueStacks 5 Nougat 64-bit read more

[Note 2] about Bluetooth: At the moment, support for Bluetooth is not available on BlueStacks. Hence, apps that require control of Bluetooth may not work on BlueStacks.

How to install Obd Mary: OBD2 ELM Car Scanner on Windows PC using NoxPlayer

  1. Download & Install NoxPlayer at: https://www.bignox.com. The installation is easy to carry out.
  2. Drag the APK/XAPK file to the NoxPlayer interface and drop it to install
  3. The installation process will take place quickly. After successful installation, you can find "Obd Mary: OBD2 ELM Car Scanner" on the home screen of NoxPlayer, just click to open it.

Discussion

(*) is required

Obd Mary is a EOBD \ OBD-2 car diagnostic scanner, gauge dashboard and trip computer with a number of cool features.

With our OBD2 Car Scanner OBD Mary it is possible not only read and clear OBD-2 Trouble Codes but also make diagnostics for different vehicle ECU like: ABS, SRS, Airbag, HVAC and etc.

Our Car Scanner OBD Mary supports brands like: Acura, Alfa Romeo, Alpina, Audi, BMW, BYD, Buick, Cadillac, Changan, Chery, Chevrolet, Chrysler, Citroen, Dacia, Daewoo, Daihatsu, Daimler, Datsun, Dodge, DS, Exeed, Fiat, Ford, Geely, General Motors, Genesis, GMC, Great Wall, Haval, Holden, Honda, Hummer, Hyundai, Infiniti, ISUZU, JAC, Jaguar, Jeep, JMC, Kia, KTM, Lada, , Lancia, Land Rover, Lexus, Lifan, Lincoln, Lotus, Mahindra, Mazda, McLaren, Mercedes-Benz, Mercury, MG, Mini, Mitsubishi, Nissan, Opel, Peugeot, Pontiac, Porsche, Proton, RAM, Range Rover, Ravon, Renault, Rivian, Rolls-Royce, Rover, Saab, Samsung, Scion, Seat, Skoda, Smart, SsangYong, Subaru, Suzuki, Toyota, Vauxhall, Volkswagen, Volvo

Attention!!!
1. You need ELM327 Bluetooth or Wi-Fi adapter to connect to a vehicle using this application.
2. Your vehicle can contain some ECUs (electronic control modules), so don't forget to check all ECUs.
3. ELM adapters version 2.1 are often can be corrupted, so try to choose version 1.5 if you have a chose.


Quick start guide
1. Download the app
2. Plug in ELM327 adapter into 16-pin diagnostic connector in your vehicle
3. Switch ON ignition
4. Discover your Bluetooth ELM adapter in your Android device settings
5. Select discovered ELM327 adapter in the app settings
6. Try to connect!

Diagnostics
You can read and reset trouble codes from OBD2 compliant control units. Can see fault codes descriptions and search it in internet just by click. Freeze-frame data can be read in case if DTC is activated. You can read live parameters like speed, RPM, MAF, coolant temperature.

Dashboard
Use our OBD2 app as a gauge dashboard. Create your own set of gauges. You can customize approximately all gauge parameters(sizes, colors, positions of stroke, arrow, texts, labels, backgrounds and etc.) Resize and move gauge in edit mode to desired place just using your fingers. Enjoy your style!

Trip computer
Track your trips with our Obd Mary app and ELM327 adapter. Keep the adapter connected all the time inside your car and the app connects to your vehicle and log your trip data:
- trip time;
- fuel consumption;
- fuel cost;
- average speed;
- max speed and etc.

Full version
Buy the full version of the Obd Mary app and get full functionality without an ads. When you are buying the app you support future development and support. Thank you.

The application uses foreground service to have a constant connection with the Wi-Fi or Bluetooth ELM adapter which is used for communication with the modern vehicles when the app is in foregaround or in background state. The app collects data from a vehicle and store it locally to provide user information about average fuel rate, average speed, mileage, trip time and other statistics params even when the app is in a background state.

Contact developer: Fill free to contact us using appropriate button on the main app screen. Use email channel.
Added more default gauges on dashboard
Added more OBD-2 parameters
Fixed some bugs
Allows applications to connect to paired bluetooth devices.
Allows applications to discover and pair bluetooth devices.
Allows applications to open network sockets.
Allows applications to access information about networks.
Allows applications to access information about Wi-Fi networks.
Allows applications to perform I/O operations over NFC.
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.