Obd Mary OBD2 Car Scanner is a free Android application developed by TechnoDrive under the category of Travel & Navigation. It is a comprehensive solution for car diagnostics, gauge dashboard, and trip computer with a number of cool features. However, it is important to note that you need an ELM327 Bluetooth or Wi-Fi adapter to connect to a vehicle using this application.

The app allows you to read and reset trouble codes from OBD2 compliant control units. You can also see fault codes descriptions and search it on the internet just by a click. Freeze-frame data can be read in case if DTC is activated. You can read live parameters like speed, RPM, MAF, coolant temperature and customize the gauge parameters (sizes, colors, positions of stroke, arrow, texts, labels, backgrounds, etc.) to your liking.

The Obd Mary app also works as a trip computer, which tracks your trips with the ELM327 adapter connected to your car. It logs your trip data, including trip time, fuel consumption, fuel cost, average speed, max speed, and more. You can buy the full version of the app to enjoy full functionality without any ads and support future development and support. Contact the developer through the appropriate button on the main app screen using the email channel.