The 6 Best OBD2 Apps for Mobile Vehicle Diagnostics

The difference between a good and a bad OBD2 diagnostic application can be huge. There are quite a few of these out there, and being stuck with one that doesn’t work can be very frustrating. In this article, we will guide you through some of the best OBD2 diagnostic apps available for both iOS and Android.

These tools remove the uncertainty and fear that the dreaded Check Lights can cause. Now you can check what’s wrong with your car with a simple ELM327 adapter and the app of your choice.

1. ELM OBD2 Car Scanner

ELM Car Scanner is an easy to use application that allows you to view any DTC (Diagnostic Problem Code) codes your vehicle may have accumulated. The app has the ability to access vehicle statistics, as well as a digital dashboard displaying various key gauges and sensors. Some related gauges that you can access in the digital dashboard section of the app are the coolant temperature sensor, vehicle RPM, and MPH.

The app is very well designed from a user interface perspective, with a simple layout that won’t overwhelm you. The app also has an option to enable Dark Mode, which is always a great option.

The app has a paid Pro version, but the free version should be more than enough for most users who want to diagnose what’s wrong with their vehicle when the check engine light comes on.

Download: ELM OBD2 Car Scanner for Android | iOS (Free, in-app purchases available)

2. OBDeleven

OBDeleven is one of the most feature-rich OBD diagnostic apps you will find. The app works for most vehicles under the VW/Audi umbrella and has a stunning user interface. OBDeleven allows you to access your vehicle modules and remove the trouble codes in each individual module. The app also allows you to access live data and advance information such as transmission oil temperature.


The app also allows you to quickly Google any error code through its convenient one-tap feature. OBDeleven allows you to add multiple cars to the garage in its app and even lets you reprogram some basic vehicle features for a fee. If you own a Volkswagen product, the OBDeleven is an absolute must. The app can be downloaded for free, but you must purchase a proprietary OBDeleven device to connect to your vehicle.

Download: OBDeleven for Android | iOS (Free, in-app purchases available)

3. Infocar

The Infocar app is loaded with useful features and is available for both iOS and Android. The app has everything you’d expect from an OBD2 diagnostic tool, but it also has some neat little surprises like a built-in parked car finder. Another really nifty feature is the Blackbox, which acts like a dash cam, but also allows you to save data related to the drive. The app also has a helpful dashboard, even showing a battery voltage meter.

All information directly from the vehicle is presented in an easy-to-read chart with beautiful graphics. The app also allows you to enter the specific make and model of your vehicle, showing you a customized main menu for your vehicle once this information has been recorded. Infocar also offers a dark mode, but it’s not the usual color profile and it looks a bit weird. Even so, the app is definitely worth a try.

The app can be used with a universal device, but Infocar recommends using your own branded device to get the most out of the app.

Download: Infocar for Android | iOS (Free)

4. EOBD Facile

EOBD Facile doesn’t have a fancy user interface like other apps on this list and too many features are reserved for the premium version. The app is easy to use though, and if you just want to diagnose your car, it’ll definitely do the job.

Again, the big downside of this app is that most of its cool features are locked behind a paywall, but what makes it a solid choice is the fact that it works well as a tool. Independent diagnostic tool. If you want a feature-packed experience without subscribing to the premium version, you might want to look elsewhere. Meanwhile, don’t miss apps that keep you safe in the car while downloading.

Download: EOBD Facile for Android | iOS (Free, in-app purchases available)

5. Obd Arny

Obd Arny is a simple OBD2 app that works with any ELM327 converter and can get you up to speed on your DTC vehicles in no time. The app is easy to use and very clearly labeled, and it allows you to access data directly from your vehicle, as well as access charts with diagnostic data. The menu to access and clear any trouble codes is very intuitive and easy to access.

All trouble codes are neatly arranged in a list, and the button to delete trouble codes is large and easy to find.

Some of the more specific trouble codes and their descriptions are only available through the paid version of the app. The app gives you useful information like how long you’ve been away with the MIL on and the number of starts since the code was removed. The free version will suffice for most people who want a preliminary diagnosis of their vehicle, before taking it to the shop.

Download: Obd Arny for Android (Premium version available, free)

6. OBD . Auto Doctor

OBD Auto Doctor has a free version, as well as two separate paid versions. The free version of the app allows you to verify DTCs and test readiness trackers. Other versions of the app require you to purchase them and will get $23.99/year for the Personal tier and $37.99/year for the Professional version.

The professional version allows you to access the vehicle’s oxygen sensor screens and the vehicle diagnostics display. While the paid versions unlock many features, the free version is enough for non-professionals to dig deeper into what’s ailing on their car.

Download: OBD Auto Doctor for Android | iOS (Free, in-app purchases available)

Save yourself time and money – Avoid unnecessary trips to the motor shop!

All of these apps allow you to find your car fault and let you decide for yourself if it warrants an emergency trip to the mechanic. These apps are also useful when you’re ready to buy a used car, as you can plug in the car’s OBD2 port and instantly find out if the seller is honest.

Not so long ago, diagnostic tools were mythical gadgets that only experienced mechanics possessed, but now anyone with a smartphone and Bluetooth adapter can easily Find out what’s wrong with their car.

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Here’s what you should know before buying a used car online

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