In today’s automotive landscape, understanding your vehicle’s health is no longer confined to mechanics. On-board diagnostics II (OBD2) apps have revolutionized how drivers interact with their cars, offering unprecedented access to real-time vehicle data. Thanks to advancements in mobile app development, a plethora of OBD2 applications are now available, empowering users with insights into their car’s engine performance, diagnostics, and overall condition. For anyone seeking the best OBD2 solution, the sheer volume of options can be overwhelming. Sifting through countless apps to find one that’s reliable, feature-rich, and user-friendly is a challenge.
OBD2 apps essentially act as a bridge between your car’s computer and your smartphone, translating complex engine data into understandable metrics. These apps provide readings on a vast array of parameters, from speed and RPM to engine temperature and pressure. This capability allows drivers to proactively monitor their vehicle’s health, potentially preventing costly repairs and roadside emergencies.
However, the app market is saturated, and not all OBD2 apps are created equal. Many drivers have unfortunately experienced purchasing apps that fall short of expectations, failing to deliver accurate data or provide valuable features. To prevent you from wasting time and money on subpar tools, we’ve compiled a comprehensive guide to the best OBD2 apps available for both iOS and Android devices.
This article reviews 17 of the top OBD2 apps currently on the market. Each of these apps has been selected for its features, user reviews, and overall effectiveness in providing vehicle diagnostics and monitoring. Whether you are a car enthusiast, a DIY mechanic, or simply a car owner wanting to stay informed about your vehicle’s condition, this list will help you find the best OBD2 app to meet your needs.
Let’s dive in and explore the top contenders in the world of OBD2 apps!
Top OBD2 Apps for Android and iOS Devices
1. Torque Pro (OBD2 & Car)
Torque Pro is widely recognized as a leading OBD2 Bluetooth app for Android, boasting over 1,000,000 downloads and consistently high user ratings. While it’s a paid app, priced around $5 on the Play Store, user reviews and expert opinions suggest it’s a worthwhile investment for serious car diagnostics.
Torque Pro Dashboard Displaying Real-Time Vehicle Data
Alt: Torque Pro app interface showcasing customizable dashboard with real-time car performance metrics.
Torque Pro delivers real-time vehicle data through a highly customizable dashboard displayed directly on your smartphone. Users can tailor the dashboard to show the parameters most important to them. Furthermore, the app allows for data export to Torque Pro servers or via email, facilitating later analysis and record-keeping.
Pros
- Offers multiple themes for dashboard customization, allowing users to personalize the app’s appearance.
- Enables screenshot sharing to social media and email, useful for documenting vehicle performance or issues.
- Features an integrated GPS-based compass, adding navigational utility.
- Supports data graphing and car dock integration for enhanced data visualization and usability.
- Provides CO2 emission readouts, useful for environmental awareness and vehicle efficiency monitoring.
- Includes a track recorder for capturing video of journeys, potentially helpful for performance analysis or incident documentation.
- Sends alarms and warnings for suboptimal car performance, such as high coolant temperature.
- Compatible with older Android versions, including 2.0, increasing accessibility for users with older devices.
Cons
- Requires an upfront purchase, unlike some free or freemium options.
- Some users have reported Bluetooth pairing issues, although updates often address these bugs.
2. OBD Auto Doctor
OBD Auto Doctor shares many functionalities with other top-tier car diagnostic apps. It’s compatible with ELM327 Bluetooth and WiFi adapters, enabling real-time tracking of critical vehicle sensors and parameters.
OBD Auto Doctor Interface Displaying Vehicle Sensor Readings
Alt: OBD Auto Doctor app screen showing real-time sensor data and vehicle parameters.
This app supports monitoring multiple control units, including engine and transmission systems. Data collected can be exported via email in CSV format for detailed analysis. A standout feature is its optimized fuel consumption monitoring, potentially leading to significant savings on fuel costs.
Pros
- Delivers real-time data display, allowing for immediate insights into vehicle health and performance.
- Supports both numerical and graphical displays of sensor data, catering to different user preferences for data visualization.
- Compatible with all OBD2 compliant vehicles, ensuring broad applicability.
- Offers GPS support for location-based data logging and vehicle tracking.
- Provides 24/7 customer service, offering reliable support when needed.
- Features advanced customization options, allowing users to tailor the app to their specific needs.
- Supports both imperial and metric units, accommodating users from different regions.
- Monitors over 18,000 trouble codes, providing extensive diagnostic coverage.
- Tracks readiness status for emissions testing, helping users prepare for vehicle inspections.
Cons
- Requires in-app purchases or a Premium upgrade to unlock full functionality, limiting features in the free version.
- Some users have reported occasional connection issues or inaccurate readings, which can affect reliability.
3. InCarDoc Pro
InCarDoc Pro has consistently been recognized as a leading OBD2 app for Android, earning accolades in car review circles. Its strength lies in delivering advanced car scanning and diagnostic capabilities within a clean and intuitive user interface.
InCarDoc Pro Home Screen with Diagnostic Options
Alt: InCarDoc Pro app home screen showcasing diagnostic and vehicle monitoring features.
A free version of InCarDoc Pro is available, enabling users to test adapter and vehicle compatibility before committing to the paid version. The full version, typically priced under $5, supports ELM327 USB, Bluetooth, and WiFi adapters and is compatible with most modern Android devices.
Pros
- Compatible with a wide range of OBD2 compliant vehicles listed on their official site, ensuring broad vehicle support.
- Provides real-time readings of engine and vehicle parameters, offering immediate performance insights.
- Features an overlay mode to display economy data in the background or over other running applications, enhancing multitasking.
- Includes fuel economy and acceleration widgets for quick access to key performance metrics.
- Offers GPS support for location tracking and data logging.
- Allows uploading of reporting data to cloud storage for data backup and accessibility across devices.
- Enables data sharing via email, facilitating professional assistance with vehicle repairs and diagnostics.
Cons
- Compatible with Android 4.0.3 and later, potentially excluding users with very old devices.
- Some users have reported occasional errors during Bluetooth connection attempts, which can be frustrating.
4. Car Scanner ELM OBD2 App
For comprehensive vehicle insights and parameter monitoring, the Car Scanner ELM OBD2 App stands out as a free and powerful option. It allows users to access the wealth of data processed by their car’s Engine Control Unit (ECU).
Car Scanner ELM OBD2 App Interface with Real-Time Data Graphs
Alt: Car Scanner ELM OBD2 app displaying real-time data in graphical format for easy analysis.
This app empowers users to preemptively identify potential issues. For those familiar with fault codes, Car Scanner ELM OBD2 allows for DIY troubleshooting of minor problems, helping users decide when professional mechanic intervention is necessary. Its broad compatibility across platforms and high user ratings make it a compelling choice. With over 2 million installs and an impressive 4.7 rating, it’s a highly regarded tool within the OBD2 app community.
Pros
- Compatible with all OBD2 standard vehicles, ensuring wide vehicle compatibility.
- Supports most WiFi or Bluetooth OBD2 ELM327 adapters, offering flexibility in hardware choices.
- Features a customizable dashboard to track preferred parameters, allowing users to focus on relevant data.
- Provides fuel consumption statistics, aiding in fuel efficiency management.
- Offers settings backup and restore functionality, simplifying app management and device changes.
- Supports multiple languages, including English, Russian, and Polish, catering to a diverse user base.
Cons
- Requires Android 4.3 and above, potentially excluding users with older devices.
- Optimal performance may require in-app purchases, limiting full feature access in the free version.
5. EOBD Facile
EOBD Facile is a versatile OBD2 car diagnostic app available for both Android and iOS. It supports ELM327 WiFi and Bluetooth adapters, providing access to essential vehicle parameters for informed car management.
EOBD Facile Dashboard Showing Vehicle Gauges and Parameters
Alt: EOBD Facile app dashboard displaying key vehicle parameters such as speed and engine temperature.
Depending on your vehicle’s ECU capabilities, EOBD Facile displays a range of gauges on its dashboard, including vehicle speed, engine RPM, temperature, ignition timing, torque, and air intake. With over 1 million installs on the Google Play Store, EOBD Facile is a popular choice for OBD2 diagnostics.
Pros
- Offers real-time display of vehicle sensor data for immediate performance monitoring.
- Includes a database of over 11,000 fault codes and definitions, aiding in accurate diagnostics.
- Allows users to delete fault codes and resolve engine light issues, potentially saving on mechanic visits.
- Supports storage of trip records on an SD card for later review using EOBD-Facile PC/Mac software, facilitating detailed analysis.
- Features route planning, beneficial for long journeys and trip optimization.
Cons
- May require some prior OBD2 app experience to fully utilize its features effectively, potentially less user-friendly for beginners.
- Does not support USB adapters, limiting connectivity options.
6. HobDrive
HobDrive is a feature-rich OBD2 app for Android, known for its comprehensive capabilities. It is positioned as a premium option, reflecting its advanced car tracking features and higher price point on the Google Play Store.
HobDrive Customizable Dashboard with Vehicle Statistics
Alt: HobDrive app showcasing a customizable dashboard with detailed vehicle performance data.
A key advantage of HobDrive is its compatibility not only with OBD2 compliant vehicles but also with some non-OBD2 vehicles, such as Delphi mr240 (Chevrolet) and Bosch systems. HobDrive extends its accessibility beyond smartphones, seamlessly integrating with CarPCs (Windows/Linux), car audio systems (Windows CE), Windows Phone 8/10, and iOS.
Pros
- Features a highly customizable dashboard to display a wide range of parameters from your car’s ECU.
- Supports GPS and ELM327 Bluetooth and WiFi adapters, providing versatile connectivity options.
- Tracks critical parameters like overheating and unusual fuel trims, aiding in early problem detection.
- Offers clear explanations of MIL codes (Malfunction Indicator Lamp), enhancing diagnostic understanding.
- Estimates car odometer readings, potentially useful for vehicle maintenance tracking.
- Calculates MPG for diesel vehicles without battery assistance, valuable for fuel efficiency analysis.
- The Pro version includes extended graphical gauges for enhanced data visualization.
Cons
- Some users have reported difficulties with in-app payments in certain locations, which can hinder access to premium features.
- Compatible with Android version 3 and above, potentially excluding users with very old devices.
7. OBDeleven
OBDeleven distinguishes itself in the OBD2 app market with its advanced features and user-friendly design. It not only provides comprehensive vehicle parameter monitoring but also includes a unique “One Click App” feature for simplified car control.
OBDeleven Interface with "One Click Apps" Feature Highlighted
Alt: OBDeleven app interface emphasizing the “One Click Apps” functionality for easy vehicle customizations.
The “One Click App” functionality allows users to manage various car options with a single tap, streamlining vehicle customization and control. However, a stable network connection is required to fully utilize this feature. While OBDeleven offers a range of features, accessing the full suite of advanced tools requires a Premium upgrade. Despite these considerations, OBDeleven is a favored tool among car enthusiasts and professional mechanics.
Pros
- Supports reading and clearing of all diagnostic trouble codes from your vehicle’s ECU, providing comprehensive diagnostic capabilities.
- Offers multilingual support, catering to a global user base.
- Features an active social media community, fostering user interaction and support.
- Includes a car battery analyzer, a feature not commonly found in all OBD2 apps.
- Provides manuals with DIY car fix guides, empowering users to perform basic repairs.
- Retrieves history for connected cars, useful for tracking vehicle maintenance and diagnostics over time.
- Supports control unit reset, offering advanced vehicle management options.
Cons
- Requires a network connection for optimal performance, particularly for the “One Click App” feature.
- The free version contains ads, which can be disruptive until users upgrade to Premium.
8. Dash – Drive Smart
Dash – Drive Smart is an OBD2 app focused on enhancing driving experience and vehicle health. It integrates with OBDeleven software and other smart car analysis tools, offering real-time data and broad vehicle compatibility, claiming to work with models dating back to 1996.
Dash – Drive Smart App Displaying Driver Score and Vehicle Data
Alt: Dash – Drive Smart app interface showing driver score, vehicle performance data, and map integration.
Dash aims to provide users with actionable insights to improve driving habits and make informed decisions for long-term vehicle maintenance. It even offers functionalities that can be utilized without constant device connectivity.
Pros
- Features an optimized and customizable parameter dashboard that can operate in background mode, allowing continuous monitoring.
- Provides a Driver score and leaderboard to compare driving performance with other users, gamifying driving improvement.
- Supports multiple vehicles with automatic Vehicle Identification Number (VIN) decoding, simplifying multi-car management.
- Includes a GPS-tracking tool to locate parked vehicles, a convenient feature in urban environments.
- Offers nearby gas price comparison features, enabling fuel cost savings.
Cons
- Some users have reported the app draining mobile device batteries, potentially impacting usability during long drives.
- The compass feature has been noted as occasionally glitchy, although updates may address this.
- Network connection issues have been reported by some users, which can affect real-time data accuracy.
9. Engine Link (iOS)
Engine Link is a robust car diagnostic app for iOS, often compared to Torque Pro for Android in terms of functionality. It connects seamlessly with compatible ELM327 WiFi and Bluetooth adapters. However, recent user feedback indicates potential issues with WiFi connectivity.
Engine Link App Interface on iOS Device Showing Vehicle Gauges
Alt: Engine Link app on iOS displaying a customizable dashboard with various vehicle performance gauges.
Despite some connectivity concerns, Engine Link remains a highly capable car tracking application on iOS. Priced affordably on iTunes, it offers a comprehensive solution for vehicle monitoring and management.
Pros
- Provides a customizable dashboard, allowing users to tailor parameter tracking to their needs.
- Monitors emission rates and fuel consumption, aiding in eco-conscious driving and fuel efficiency.
- Reads and clears thousands of OBD2 fault codes, enabling DIY diagnostics and issue resolution.
- Features a heads-up dashboard display option, enhancing driver safety by projecting data onto the windshield.
- No in-app purchases or subscription fees, offering full functionality with the initial purchase.
- Supports over 20 languages, catering to a global user base.
- The latest update includes Torque Custom PID File support, expanding customization options.
Cons
- Some users have reported instances where the app connects but fails to read ECU data, hindering functionality.
- Requires iOS 8.0 or later, potentially excluding users with older iOS devices.
10. ScanMaster
ScanMaster is a reliable car monitoring tool designed for ELM327 OBD2 adapters. While not as widely known as some competitors, it maintains a solid 4.0 rating with over 1 million installs on Android, indicating user satisfaction.
ScanMaster App Interface Showing Real-Time Vehicle Performance Data
Alt: ScanMaster app interface displaying real-time vehicle data and fault code information.
With ScanMaster, users gain a clear overview of real-time vehicle performance and accurate fault code readings. This accuracy can be particularly beneficial in preventing overcharging by mechanics. The app offers a free Lite version with essential parameters like VIN, CVN, fault codes, and MIL status. However, the Pro version is required to unlock all features, including an extensive fault code database and detailed error descriptions.
Pros
- Offers a useful set of tracking parameters even in the free Lite version.
- Supports both German and English languages, catering to a bilingual user base.
- Features an easy-to-navigate interface, enhancing user experience.
- Compatible with most ELM327 adapters, offering hardware flexibility.
- Supports data recording, enabling historical performance analysis.
- Presents data graphically for easier interpretation and trend identification.
Cons
- Customer support has been reported as ineffective by some users, potentially hindering issue resolution.
- Compatibility issues with certain devices have been noted, limiting universal applicability.
- Compatible with Android 4.0 and above, potentially excluding users with older Android devices.
11. DashCommand (iOS)
DashCommand positions itself as a premium solution for transforming your iPhone into an advanced engine data display. It has received industry recognition, winning the SEMA Show award for best mobile electronic product in 2014.
DashCommand App on iOS Displaying Advanced Performance Gauges
Alt: DashCommand app on iOS showcasing customizable performance gauges and vehicle data displays.
As one of the more expensive iOS OBD2 scanner apps on iTunes, DashCommand justifies its price with high-performance gauges, fuel economy tracking, engine monitoring, and emission testing capabilities for up to five trips. User reviews generally reflect satisfaction with its performance and features.
Pros
- User-friendly and easy to operate, enhancing accessibility for both novice and experienced users.
- Allows extensive customization of performance gauges, enabling users to track specific data points.
- Includes an inclinometer to display roll angle and vehicle pitch, valuable for off-road driving enthusiasts.
- Supports data logging, recording, and playback, facilitating detailed performance analysis.
- Features a sophisticated trip computer maintaining statistics for up to five trips, useful for expense tracking and analysis.
- Offers graphical representation of collected data, improving data interpretation.
Cons
- Not compatible with iPhone X, limiting use for users with this specific model.
- Compatibility issues reported with Haltech elite 2599 systems, restricting use with certain aftermarket ECUs.
- Contains in-app purchases for some car models, potentially adding to the overall cost.
12. BlueDriver
BlueDriver is a highly-rated OBD2 scanner app available on both iOS and Android. It’s recognized as a top free car diagnostic tool, reflected in its high 4.6 rating on iTunes and 2 million downloads.
BlueDriver App Interface Showing Diagnostic Trouble Codes and Vehicle Status
Alt: BlueDriver app interface displaying diagnostic trouble codes and vehicle system status information.
BlueDriver allows users to monitor critical vehicle parameters, scan and clear trouble codes, access freeze frame data, and share data via email. It includes features often found in paid apps, making it a popular choice among professional mechanics and car enthusiasts.
Pros
- Offers wireless connection to your vehicle, enhancing ease of use and flexibility.
- Supports smog readiness checks, helping users prepare for emissions tests.
- Significantly reduces potential travel costs by enabling DIY diagnostics.
- Provides free and regular updates, ensuring ongoing improvements and feature enhancements.
- Displays on-board monitoring test results, offering comprehensive system insights.
- Offers improved diagnostics for ABS, Airbag, Transmission, and other systems beyond basic engine codes.
- Allows generation and sharing of repair reports, facilitating communication with mechanics and documentation of repairs.
Cons
- Requires iOS 8 and above, potentially excluding users with older iOS devices.
- Some users have reported issues with iPhone XR compatibility, although updates are expected to address this.
13. GoFAR
GoFAR is presented as a high-performance car diagnostic device and app system designed for comprehensive vehicle monitoring and mileage tracking. It is compatible with most OBD2 compliant car adapters.
GoFAR Device and App Interface for Vehicle Monitoring
Alt: GoFAR OBD2 device and app interface, emphasizing vehicle health monitoring and mileage tracking features.
A notable feature of GoFAR is its IRS compliance, potentially offering tax benefits for mileage tracking. It also emphasizes fuel savings, aiming to reduce fuel costs by 10-30%. The GoFAR app maintains a high 4.7 rating, reflecting positive user experiences globally.
Pros
- Easy to install and use, simplifying the initial setup and daily operation.
- Offers a one-year warranty on initial purchase, providing customer assurance.
- Sends alerts in plain English when vehicle errors occur, enhancing user understanding and actionability.
- Provides a platform for hiring nearby mechanics, connecting users with local repair services.
- Includes a database of over 3000 fault codes with descriptions, aiding in diagnostics.
- Features a global leaderboard based on fuel cost savings, gamifying fuel efficiency.
- Sends alerts for tire pressure, insurance, and registration checks, offering proactive vehicle management.
- No subscription or ongoing fees required after the initial purchase.
Cons
- Requires an upfront purchase of the GoFAR device, adding to the initial cost compared to app-only solutions.
14. FIXD – Vehicle Health Monitor
FIXD distinguishes itself with simplicity and user-friendliness without sacrificing diagnostic quality. It translates fault codes into easily understandable terms, making vehicle diagnostics accessible to users without technical expertise.
FIXD App Interface Displaying Vehicle Health in Simple Terms
Alt: FIXD app showing vehicle health status in simple and understandable language for non-technical users.
FIXD offers its own OBD2 WiFi and Bluetooth adapters to optimize app performance. The app is available on Android and has a solid 4.5 rating from users.
Pros
- Quick and easy installation, allowing immediate use.
- Particularly suitable for first-time OBD2 app users due to its simplicity.
- Allows scheduling of maintenance reminders, promoting proactive vehicle care.
- Sends alerts for worn-out car parts needing repair or replacement, aiding in preventative maintenance.
- Features easy onboarding, simplifying the initial setup process.
- Enables in-app purchasing of car parts, streamlining the repair process.
- Offers helpful customer support, assisting users with any issues.
Cons
- Some bugs have been reported in older app versions, although updates aim to resolve these.
- Works optimally with FIXD adapters, potentially limiting adapter choice.
- Offers in-app purchases, potentially adding to the overall cost for full functionality.
15. Carly For BMW
Carly For BMW is specifically tailored for BMW owners, offering advanced diagnostics and customizations for BMW vehicles. It is compatible with adapters provided by Carly.
Carly For BMW App Interface with BMW Specific Diagnostics
Alt: Carly For BMW app interface highlighting BMW-specific diagnostic and customization options.
Carly For BMW provides real-time data and parameters relevant to BMW vehicles, catering to both novice and experienced BMW drivers. While primarily for BMWs, the Android app also supports standard OBD features. Users are encouraged to test compatibility with the Lite version before purchasing.
Pros
- Provides thorough health checks of BMW electronic components, offering comprehensive diagnostics.
- Offers used car checks, beneficial before purchasing a used BMW.
- Features one-click control for the electric parking brake, adding convenience for BMW owners.
- Carly adapters come with premium customer support and a lifetime warranty, ensuring long-term support.
- Supports DIY battery registration, a common BMW maintenance task.
- Offers excellent customer service specific to BMW vehicles.
Cons
- Carly adapters are more expensive compared to generic OBD2 adapters, increasing the initial investment.
- Limited fault codes reported for BMW 2 series F45/F46 models, potentially affecting diagnostic depth for these specific models.
16. Carista OBD2 App
Carista OBD2 App is another versatile tool, utilizing a Bluetooth-enabled OBD2 plug and accompanying app. It offers strong support for brands like Toyota, BMW, Subaru, Mini, Audi, VW, and Lexus.
Carista OBD2 App Interface with Customization Options
Alt: Carista OBD2 app interface emphasizing customization options and vehicle diagnostic features.
A standout feature of Carista is its “Customize” option. Once plugged in, users can access and modify various ECU settings typically only accessible by dealerships, offering advanced vehicle personalization.
Pros
- Bluetooth connectivity for wireless operation.
- Compact OBD2 plug design for discreet use.
- Customizable settings, allowing users to tailor vehicle functions.
- Innovative phone-to-OBD2 scanner integration.
- Offers a 1-month free trial to test features.
- Supports both iOS and Android platforms.
- Provides detailed diagnostics for supported vehicle brands.
Cons
- Requires in-app purchases to unlock full features after the trial period.
17. OBD Fusion
OBD Fusion, developed by OCTech, is a popular OBD2 app known for its ease of use and comprehensive diagnostic reports. When paired with a compatible OBD2 scanner, it provides detailed insights into vehicle health.
OBD Fusion App Interface with Customizable Dashboard and Data Logging
Alt: OBD Fusion app interface showcasing customizable dashboards and extensive data logging capabilities.
OBD Fusion is designed to be user-friendly for both beginners and experienced users. Its customizable dashboard allows users to focus on the most relevant vehicle information and monitor specific engine functions in detail.
Pros
- Highly customizable dashboards, allowing personalized data displays.
- Compatible with both iOS and Android platforms, offering broad device support.
- Includes GPS navigation features, adding navigational utility.
- Offers emission monitoring, aiding in environmental compliance and vehicle maintenance.
- Provides extensive data logging capabilities for in-depth analysis.
Cons
- Some features are locked behind expansion packs, requiring additional purchases for full functionality.
- Lacks diagnostic data sharing features, potentially limiting collaboration with mechanics or other users.
Conclusion
With a wide array of OBD2 apps now available for iOS and Android, choosing the best OBD2 app for your needs requires careful consideration. While this list provides a strong starting point, remember to verify app compatibility with your specific vehicle before making a purchase. Many developers offer free “lite” versions for compatibility testing, while others require purchasing the full version upfront. Take advantage of these trial options to find the app that works best for you and your car.
To help narrow down your choices, here are our top recommendations:
Best Android OBD2 App:
Torque Pro – A paid app that delivers exceptional features and broad vehicle compatibility, making it a top choice for Android users.
Best iOS OBD2 App:
OBD Fusion – A paid app known for its user-friendliness, comprehensive parameter tracking, and robust performance on iOS devices.
