Start communicating with your vehicle immediately!

Over 40,000 car owners have chosen OBD Auto Doctor.


For evaluation and getting started



Get started


  • Read OBD2 Diagnostic Trouble Codes
  • Check Readiness Monitors
  • Figure out what your car has to offer


For every auto enthusiasts



Choose Personal

Everything in Free, plus

  • Access Freeze Frame
  • Reset OBD2 Trouble Codes
  • Clear the Check Engine Light
  • All live data parameters

Most popular


For power users and Do It Yourself mechanics



Choose Professional

Everything in Personal, plus

  • Oxygen Sensor Monitors
  • On-Board Diagnostic Monitors
  • On-Board Service Activation
  • In-use Performance Tracking
  • Diverse parameter data views
For full comparison table, please rotate your screen to landscape or use a larger screen.

Please notice that all of the OBD2 features require that your vehicle supports them too. Morever, not all features are available in the mobile apps but only in the computer software.

Frequently asked questions

How can I upgrade/downgrade my plan?
We are still working on implementing the self service site. In the meantime, just get in touch with our email support and we'll handle it for you.
Can I cancel at anytime?
Yes, of course. There's no minimum contract — you can cancel at any time. When you cancel your paid plan, you will remain on the plan until the end of your billing cycle, at which time you'll be switched back to the Free plan.
Can I use the subscription on all platforms?
Yes, you can use the subscription on all supported devices and platforms.
Do I need something else in addition to the software?
Yes, you need an ELM327-based adapter to connect to your OBD-II compliant car.

“Excellent app which makes it very easy to monitor or identify problems and clear them. It takes less than 2 mins to install and set up.”

Dick Weiler, UK Apple App Store