In today’s automotive landscape, understanding your vehicle’s health is no longer a mystery. Onboard diagnostics II (OBD2) applications have revolutionized car maintenance, offering unprecedented access to your car’s internal data right on your smartphone. With the rise of sophisticated mobile app development, a plethora of OBD2 apps have emerged, each promising to be the best tool for decoding your car’s signals. These applications empower you to listen to your car’s needs, potentially preventing costly repairs and inconvenient breakdowns.
Most OBD2 apps connect to your car’s computer and translate complex data into user-friendly information. They provide real-time insights into crucial engine parameters such as speed, rotation angles, pressure levels, and temperature readings. This wealth of information allows drivers and car enthusiasts to monitor their vehicle’s performance and identify potential issues early on.
However, navigating the crowded app market to find the Best Obd2 Application for your Android or iOS device can be overwhelming. The sheer number of options can lead to confusion, and unfortunately, some apps fail to deliver on their promises. Investing time and money in subpar apps can be frustrating, which is why a curated guide to the top performers is essential.
To prevent you from experiencing buyer’s remorse and to ensure you get the most value for your needs, we’ve compiled a list of 17 of the best OBD2 applications available. Any of these options would be a valuable addition to your car maintenance toolkit.
Let’s dive into the top OBD2 applications that stand out in the market.
Top OBD2 Applications for Android and iOS in 2024
1. Torque Pro (OBD2 & Car)
Torque Pro consistently ranks high as a top-tier OBD2 application for Android, boasting over 1,000,000 downloads and strong user ratings. While it requires a one-time purchase of around $5 on the Play Store, user reviews and expert opinions suggest it’s a worthwhile investment for serious car enthusiasts.
Alt text: Torque Pro app interface on an Android phone showing a customizable dashboard with real-time car diagnostics data.
Torque Pro excels in presenting real-time vehicle data through a highly customizable and visually appealing dashboard on your mobile device. Its data logging capabilities are robust, allowing you to export compiled data to Torque Pro servers or via email for later analysis and review.
Pros:
- Highly customizable dashboard with multiple themes for personalization.
- Easy sharing of screenshots to social media and email platforms.
- Integrated GPS-based compass for navigation and location tracking.
- Data graphing and car dock support for enhanced data visualization.
- CO2 emission readouts to monitor your vehicle’s environmental impact.
- Track recorder for video documentation of your journeys.
- Configurable alarms and warnings for critical parameters like coolant temperature exceeding safe limits.
- Broad Android compatibility, supporting even older versions including 2.0.
Cons:
- Requires upfront payment for app download.
- Occasional Bluetooth pairing issues, which are generally resolved with app updates.
2. OBD Auto Doctor
OBD Auto Doctor functions similarly to many leading car diagnostic applications, offering comprehensive vehicle monitoring. It’s compatible with both ELM327 Bluetooth and Wi-Fi adapters, enabling it to track vital vehicle sensors and parameters in real-time.
Alt text: OBD Auto Doctor app interface on a smartphone showing real-time engine parameters and diagnostic information.
OBD Auto Doctor stands out with its ability to monitor multiple control units, including engine and transmission systems. It also supports data export via email in CSV format for detailed analysis. The app’s optimized fuel consumption monitoring feature can contribute to significant fuel savings over time.
Pros:
- Provides real-time data display, enabling immediate insights into your car’s condition.
- Supports both numerical and graphical data visualization for sensor readings.
- Universally compatible with all OBD2 compliant vehicles.
- Integrated GPS support for location-based data logging.
- Responsive and helpful customer service team available around the clock.
- Extensive customization options to tailor the app to your needs.
- Supports both imperial and metric units for data display.
- Monitors over 18,000 diagnostic trouble codes for comprehensive issue detection.
- Tracks readiness status for emissions testing, ensuring your car is compliant.
Cons:
- Requires in-app purchases and a Premium upgrade to unlock full functionality.
- Some users report occasional connection problems or inaccurate readings.
3. InCarDoc Pro
InCarDoc Pro has consistently been recognized as a leading OBD2 application, earning accolades in car review circles. Its user-friendly interface and robust car scanning and diagnostic capabilities make it a strong contender in the OBD2 app market.
Alt text: InCarDoc Pro app interface on a mobile device displaying vehicle parameters and diagnostic information in a clean layout.
A free version of InCarDoc Pro is available, allowing users to verify adapter and car compatibility before committing to the paid version, which is priced under $5. The Pro version supports ELM327 USB, Bluetooth, and Wi-Fi adapters and is compatible with most modern Android devices.
Pros:
- Broad compatibility with OBD2 compliant vehicles, as listed on their official website.
- Real-time engine and vehicle parameter monitoring for immediate diagnostics.
- Overlay feature to display fuel economy data on top of other running applications.
- Dedicated widgets for fuel economy and acceleration performance metrics.
- GPS integration for location-aware data logging and tracking.
- Cloud storage support for uploading and backing up reporting data.
- Data sharing via email for professional assistance with car repairs and diagnostics.
Cons:
- Requires Android 4.0.3 or later operating system.
- Some users have reported occasional Bluetooth connection errors.
4. Car Scanner ELM OBD2 App
Car Scanner ELM OBD2 App is a highly versatile and popular free car diagnostic tool that allows you to delve deep into your car’s electronic control unit (ECU). It empowers you to understand a wide range of parameters and potential issues within your vehicle.
Alt text: Car Scanner ELM OBD2 App interface on a smartphone showcasing real-time vehicle performance metrics and diagnostic data.
This app is particularly beneficial for users who are familiar with fault codes. It allows you to proactively identify and address minor issues yourself, and make informed decisions about when professional mechanic intervention is necessary. With versions available for Android, iOS, and Windows PC/Mobile, Car Scanner ELM OBD2 boasts over 2 million installations across platforms, and it holds an impressive 4.7-star rating, making it a user-favorite among OBD2 applications.
Pros:
- Universal compatibility with all OBD2 standard vehicles.
- Wide adapter compatibility, supporting most Wi-Fi or Bluetooth OBD2 ELM327 adapters.
- Customizable dashboard to prioritize and track your preferred parameters.
- Comprehensive fuel consumption statistics for monitoring fuel efficiency.
- Backup and restore settings for seamless app management.
- Multilingual support, including English, Russian, and Polish, with recent updates expanding language options.
Cons:
- Requires Android 4.3 or later operating system.
- Optimal performance and full feature access may necessitate in-app purchases.
5. EOBD Facile
EOBD Facile is a robust OBD2 car diagnostic application available for both Android and iOS platforms. It’s designed to work seamlessly with ELM327 Wi-Fi and Bluetooth adapters, providing users with access to essential vehicle parameters for informed car maintenance decisions.
Alt text: EOBD Facile app interface showing a dashboard with real-time vehicle sensor data and engine parameters on a mobile phone.
Depending on your vehicle’s ECU capabilities, EOBD Facile can display a comprehensive suite of gauges, including vehicle speed, engine RPM, engine temperature, ignition timing, engine torque, air intake volume, and more, all presented clearly on the app’s dashboard. Since its launch on the Google Play Store, EOBD Facile has achieved over 1 million installations, demonstrating its popularity and user trust.
Pros:
- Real-time display of critical vehicle sensor data for immediate diagnostics.
- Extensive database of over 11,000 fault codes and their definitions.
- Capability to clear fault codes and resolve engine light issues directly from the app.
- Trip record storage on SD card for later review using the EOBD-Facile PC/Mac software.
- Integrated route planning feature, particularly useful for long journeys and trip logging.
Cons:
- May require some prior experience with OBD2 applications to fully utilize its features.
- Does not support USB adapters, limiting connectivity options to Wi-Fi and Bluetooth.
6. HobDrive
HobDrive is a feature-rich OBD2 application for Android, known for its advanced car tracking capabilities. It is positioned at a higher price point on the Google Play Store compared to many other OBD2 apps, reflecting its premium feature set.
Alt text: HobDrive app interface on an Android device displaying customizable gauges and real-time vehicle performance data.
A key advantage of HobDrive is its broad vehicle compatibility. It supports all OBD2 compliant vehicles, as well as certain non-OBD2 vehicles, including models like Delphi mr240 (Chevrolet) and Bosch systems. HobDrive also offers cross-platform accessibility, working seamlessly with CarPCs (Windows/Linux), car audio systems (Windows CE), Windows Phone 8/10, and iOS devices.
Pros:
- Highly customizable dashboard that displays a wide array of parameters provided by your car’s ECU.
- Supports both GPS and ELM327 Bluetooth and Wi-Fi adapters for versatile connectivity.
- Tracks critical parameters such as overheating and unusual fuel trim levels.
- Provides clear and detailed explanations of MIL (Malfunction Indicator Lamp) codes.
- Estimates vehicle odometer readings for mileage tracking.
- Calculates MPG (miles per gallon) for diesel vehicles without relying on battery assistance.
- Pro version includes enhanced graphical gauges for advanced data visualization.
Cons:
- Some users have reported difficulties with in-app payment processing in certain regions.
- Requires Android version 3 and above, potentially excluding users with older devices.
7. OBDeleven
OBDeleven stands out for its advanced features and user-centric design, particularly its “One-Click App” functionality. This application goes beyond basic OBD2 diagnostics, offering enhanced control over vehicle settings and options.
Alt text: OBDeleven app interface on a smartphone displaying vehicle customization options and real-time diagnostic information.
The “One-Click App” feature in OBDeleven allows users to perform various car modifications and customizations with a single tap, streamlining complex procedures. However, a stable network connection is necessary to fully utilize this feature. While the app offers a robust free version, a Premium upgrade unlocks access to more advanced car tracking and control tools. OBDeleven is popular among car enthusiasts and professional mechanics for its comprehensive diagnostic and customization capabilities.
Pros:
- Reads and clears diagnostic trouble codes from all vehicle control units (ECUs).
- Supports multiple languages, catering to a global user base.
- Active and engaged social media community for user support and knowledge sharing.
- Includes a car battery analyzer, a feature not commonly found in other OBD2 apps.
- Provides access to DIY car fix manuals and guides.
- Retrieves historical data for connected vehicles for trend analysis.
- Supports control unit reset functionality.
Cons:
- Requires a network connection for optimal performance, especially for “One-Click Apps”.
- Contains advertisements in the free version, which can be removed by upgrading to Premium.
8. Dash – Drive Smart
Dash – Drive Smart is a comprehensive car tracking application that integrates OBD2 functionality with smart driving analysis tools. It’s compatible with OBDeleven software and offers a range of features aimed at improving driving habits and vehicle maintenance. Dash claims compatibility with vehicles dating back to 1996 models, extending its applicability to a wide range of cars.
Alt text: Dash – Drive Smart app interface on a mobile device showing driver score, performance metrics, and vehicle diagnostic data.
Dash provides real-time data insights and aims to enhance your driving experience and vehicle longevity. It can even be used without a dedicated OBD2 device in certain functionalities.
Pros:
- Optimized and customizable parameter dashboard that operates in background mode for continuous monitoring.
- Driver score and leaderboard features to gamify driving improvement and compare performance with other users.
- Supports multiple vehicles with automatic Vehicle Identification Number (VIN) decoding for easy setup.
- Integrated GPS tracking tool to remember parking locations and track routes.
- Nearby gas price comparison feature to help save money on fuel purchases.
Cons:
- Some user complaints about the app draining mobile device battery life.
- Compass feature reported as occasionally glitchy, though updates aim to address this.
- Network connection issues reported by some users, affecting real-time data and feature availability.
9. Engine Link (iOS)
Engine Link is a robust car diagnostic application tailored for iOS devices, offering similar functionality to Torque Pro but within the Apple ecosystem. It connects seamlessly with compatible ELM327 Wi-Fi and Bluetooth adapters. While some recent user feedback mentions issues with Wi-Fi connectivity, it remains a highly capable car tracking application for iOS users.
Alt text: Engine Link app interface on an iPhone displaying customizable gauges and real-time vehicle diagnostic information.
Engine Link is available for a one-time purchase on iTunes, providing a comprehensive suite of car monitoring tools without subscription fees or in-app purchases.
Pros:
- Customizable dashboard for personalized parameter tracking, eliminating unnecessary data clutter.
- Emission rate and fuel consumption monitoring for eco-conscious driving.
- Reads and clears thousands of OBD2 fault codes for DIY diagnostics.
- Heads-up display (HUD) option for projecting data onto the windshield.
- No in-app purchases or subscription fees after initial purchase.
- Supports over 20 languages, catering to a diverse user base.
- Latest updates include support for Torque Custom PID files, enhancing customization.
Cons:
- Some users have reported instances where the app connects but fails to read ECU data.
- Requires iOS 8.0 or later, potentially excluding users with older Apple devices.
10. ScanMaster
ScanMaster is a reliable car monitoring tool designed for use with ELM327 OBD2 adapters. While not as widely recognized as some other applications, it maintains a solid 4.0 rating with over 1 million installations on the Android platform.
Alt text: ScanMaster app interface on a smartphone showing real-time vehicle performance data, fault codes, and diagnostic information.
With ScanMaster, users gain a clear overview of their vehicle’s real-time performance and accurate fault code readings, helping to prevent overcharging by mechanics. The app offers a free “Lite” version that provides access to essential parameters such as VIN, CVN, fault codes, and MIL status. Upgrading to the Pro version unlocks full functionality, including an extensive fault code database and detailed error descriptions.
Pros:
- Decent range of tracking parameters available in the free “Lite” version.
- Supports both German and English languages.
- User-friendly and easy to navigate interface.
- Compatible with a wide range of ELM327 adapters.
- Data recording capabilities for later analysis and review.
- Clear graphical data representation for improved data interpretation.
Cons:
- Customer support team reported as ineffective by some users.
- Device compatibility issues reported by a small number of users.
- Requires Android 4.0 and above operating system.
11. DashCommand (iOS)
DashCommand positions itself as a premium OBD2 application for iOS, transforming your mobile device into an advanced engine data display. It has received industry recognition, winning the SEMA Show award for best mobile electronic product in 2014.
Alt text: DashCommand app interface on an iPad displaying customizable performance gauges, fuel economy metrics, and vehicle data.
DashCommand is among the more expensive iOS OBD2 scanner applications on iTunes, but it delivers a comprehensive suite of features including performance gauges, fuel economy tracking, engine monitoring, and emission testing for up to five trips. User reviews generally indicate strong satisfaction with its performance and features.
Pros:
- User-friendly and intuitive interface.
- Highly customizable performance gauges to track specific data points.
- Inclinometer feature to display vehicle roll angle and pitch for off-roading.
- Data logging, recording, and playback capabilities for in-depth analysis.
- Sophisticated trip computer that maintains statistics for up to five separate trips.
- Graphical representation of collected data for easy visualization.
Cons:
- Not compatible with iPhone X models.
- Compatibility issues reported with Haltech Elite 2500 ECUs.
- Includes in-app purchases for certain car models and advanced features.
12. BlueDriver
BlueDriver is a widely acclaimed OBD2 scanner application available on both iOS and Android platforms. It’s recognized as a leading free car diagnostic tool and boasts a high 4.6-star rating on iTunes with over 2 million downloads.
Alt text: BlueDriver app interface on a tablet showing a comprehensive diagnostic report with vehicle health information.
BlueDriver provides access to critical vehicle parameters, trouble code scanning and clearing, freeze frame data, and data sharing via email. It includes advanced features not always found in paid OBD2 applications, making it a favorite among professional mechanics and car enthusiasts.
Pros:
- Wireless connection to your vehicle for convenient diagnostics.
- Smog readiness check to ensure emissions compliance.
- Potential for significant savings on car maintenance costs.
- Free and regular app updates with feature enhancements and bug fixes.
- Displays on-board monitoring test results for detailed system checks.
- Enhanced diagnostics for ABS, Airbag, Transmission, and other vehicle systems.
- Allows generation and sharing of professional-quality repair reports.
Cons:
- Requires iOS 8 and above, potentially excluding older Apple devices.
- Minor compatibility issues reported with iPhone XR, generally resolved with updates.
13. GoFAR
GoFAR is designed as a high-performance car diagnostic system that combines an OBD2 device with a user-friendly application. It focuses on comprehensive car health monitoring and mileage tracking, compatible with most OBD2 compliant vehicles.
Alt text: GoFAR OBD2 device plugged into a car’s OBD2 port, with the GoFAR app interface visible on a smartphone screen.
GoFAR is IRS-compliant, potentially offering tax benefits for mileage tracking. It also emphasizes fuel efficiency, aiming to reduce fuel costs by 10-30%. The Android and iOS applications maintain a strong 4.7-star rating, indicating high user satisfaction.
Pros:
- Easy to install and use, suitable for users of all technical levels.
- One-year warranty included with initial purchase.
- Provides clear error alerts in plain English for immediate understanding.
- Platform for connecting with nearby mechanics for repairs and services.
- Extensive database of over 3000 fault codes and descriptions.
- Global leaderboard for comparing fuel savings with other GoFAR users.
- Alerts for tire pressure checks, insurance renewals, and registration reminders.
- No subscription or ongoing fees after initial device purchase.
Cons:
- Requires upfront purchase of the GoFAR device.
14. FIXD – Vehicle Health Monitor
FIXD emphasizes simplicity and user-friendliness in its car diagnostic approach. It translates complex fault codes into easily understandable terms, making car diagnostics accessible to a wider audience.
Alt text: FIXD app interface on a smartphone showing simplified vehicle health alerts and diagnostic information in plain language.
FIXD offers its own OBD2 Wi-Fi and Bluetooth adapters for optimal app performance and gauge monitoring. The app is available on Android via the Google Play Store and has a solid 4.5-star user rating.
Pros:
- Quick and easy setup, ready to use within minutes.
- Suitable for first-time OBD2 application users due to its simplicity.
- Allows scheduling of maintenance reminders to stay on top of car care.
- Alerts for worn-out car parts needing repair or replacement.
- Streamlined onboarding process for new users.
- Integrated car part purchasing option directly within the app.
- Responsive and helpful customer support team.
Cons:
- Older app versions may have experienced bugs, though updates address these.
- Designed to work primarily with FIXD adapters, limiting adapter choice.
- Includes in-app purchases for certain features and functionalities.
15. Carly for BMW
Carly for BMW is a specialized OBD2 application designed exclusively for BMW vehicles. It is compatible with adapters provided by Carly and offers in-depth diagnostics and customization options for BMW models.
Alt text: Carly for BMW app interface on a smartphone displaying BMW-specific diagnostic features and vehicle information.
Carly for BMW caters to both novice and experienced BMW owners, providing real-time access to vital car gauges and parameters. The Android app supports standard OBD2 features, and a Lite version is available for compatibility testing before purchase.
Pros:
- Comprehensive health check of BMW vehicle electronic components.
- Used car check feature for pre-purchase inspections.
- One-click control for electric parking brake functionality.
- Carly adapters come with premium customer support and a lifetime warranty.
- DIY battery registration support for BMW vehicles.
- Excellent customer service team dedicated to BMW-specific issues.
Cons:
- Carly adapters are more expensive compared to generic OBD2 adapters.
- Limited fault code coverage reported for BMW 2 series F45/F46 models.
16. Carista OBD2 App
Carista OBD2 App utilizes a Bluetooth-enabled OBD2 plug and an accompanying app. It offers strong support for brands like Toyota, BMW, Subaru, Mini, Audi, VW, and Lexus.
Alt text: Carista OBD2 App interface on a smartphone showing car customization options and vehicle settings.
A notable feature of Carista is its “Customize” option, which allows users to modify various ECU settings typically accessible only by dealerships.
Pros:
- Bluetooth connectivity for wireless operation.
- Compact and portable OBD2 plug design.
- Customizable vehicle settings through the app interface.
- Phone-to-OBD2 scanner innovation for user convenience.
- 1-month free trial to test app functionality.
- Supports both iOS and Android platforms.
- Detailed diagnostic capabilities for supported car brands.
Cons:
- In-app purchases required for full feature access after the trial period.
17. OBD Fusion
OBD Fusion, developed by OCTech, is a popular application known for its user-friendliness and comprehensive vehicle diagnostics. When paired with a compatible OBD2 scanner, it provides detailed reports on your vehicle’s health.
Alt text: OBD Fusion app interface on a smartphone showing customizable dashboards, real-time engine data, and vehicle performance metrics.
OBD Fusion is designed to be accessible for both novice users and experienced professionals. Its customizable dashboard allows users to prioritize and view the most relevant vehicle data.
Pros:
- Highly customizable dashboards to tailor data display to user preferences.
- Compatible with both iOS and Android operating systems.
- Integrated GPS navigation features for location-based data logging.
- Emission monitoring capabilities for environmental compliance checks.
- Extensive data logging features for in-depth vehicle analysis.
Cons:
- Some advanced features are locked behind expansion packs, requiring additional purchases.
- Lacks diagnostic data sharing features, limiting collaborative diagnostics.
Conclusion
With this comprehensive list of the best OBD2 applications for iOS and Android, you are now better equipped to choose the right tool for your car.
Before making a purchase, always verify the compatibility of the OBD2 application with your specific car model. Many developers offer free “lite” versions for compatibility testing, while others require purchasing the full version upfront. Take advantage of free trials or lite versions to ensure the app meets your needs and works seamlessly with your vehicle.
Our Top Picks:
- Best Android OBD2 App: Torque Pro – A paid application offering excellent features and broad vehicle compatibility, ideal for advanced users.
- Best iOS OBD2 App: OBD Fusion – A paid application known for its ease of use and comprehensive tracking of vital vehicle parameters, suitable for both beginners and experienced users.
By leveraging the power of the best OBD2 application, you can gain valuable insights into your car’s health, proactively address potential issues, and enjoy a more informed and confident driving experience.
