Best OBD2 iOS App 2017: Unveiling Top Choices & Expert Insights

OBD2 iOS apps in 2017 offered car owners and technicians alike powerful diagnostic capabilities right at their fingertips, providing access to real-time vehicle data and fault code analysis with user-friendly interfaces. Discover the best options available to enhance vehicle maintenance, troubleshoot engine issues, and monitor performance, empowering you with the knowledge to keep your car running smoothly while saving time and money, all thanks to accessible vehicle diagnostics and efficient car maintenance tools. The information you get from OBD2-SCANNER.EDU.VN provides a competitive advantage.

1. What is an OBD2 iOS App and Why Use One?

An OBD2 iOS app transforms your iPhone or iPad into a powerful vehicle diagnostic tool by connecting to your car’s On-Board Diagnostics II (OBD2) system via a compatible adapter, providing real-time data, fault code analysis, and performance monitoring, which enhances your ability to maintain your vehicle, troubleshoot issues, and optimize performance, saving you time and money on repairs. Using an OBD2 iOS app allows for proactive vehicle maintenance and immediate troubleshooting.

1.1. Understanding OBD2 and Its Importance

On-Board Diagnostics II (OBD2) is a standardized system used in modern vehicles to monitor and control engine performance, emissions, and other critical systems. It provides a wealth of information that can be accessed through a diagnostic port, typically located under the dashboard. According to the Environmental Protection Agency (EPA), OBD2 systems have been mandatory in all cars sold in the US since 1996 to ensure compliance with emissions standards. Accessing this data via an OBD2 scanner empowers users to diagnose issues, monitor performance, and maintain their vehicles effectively.

1.2. Benefits of Using an OBD2 iOS App

Using an OBD2 iOS app offers several advantages:

• Real-time Data: Access live data such as engine speed (RPM), coolant temperature, and fuel pressure.
• Fault Code Diagnosis: Read and clear Diagnostic Trouble Codes (DTCs) to identify issues.
• Performance Monitoring: Track parameters like acceleration, horsepower, and fuel efficiency.
• Cost Savings: Diagnose minor issues early, preventing expensive repairs.
• Convenience: Perform diagnostics from your smartphone or tablet, anywhere, anytime.
• Emission Readiness: Check if your car is ready for emission testing.

According to a study by the National Institute for Automotive Service Excellence (ASE), using OBD2 scanners can reduce diagnostic time by up to 50%, making OBD2 iOS apps valuable tools for both professional technicians and car enthusiasts. OBD2 iOS apps can significantly improve vehicle maintenance efficiency.

1.3. Key Features to Look for in an OBD2 iOS App

When choosing an OBD2 iOS app, consider the following key features:

• Compatibility: Ensure the app supports your vehicle’s make and model.
• User Interface: Look for an intuitive and easy-to-navigate interface.
• Data Accuracy: The app should provide reliable and accurate data.
• Customization: Ability to customize dashboards and parameters.
• Reporting: Generate and share diagnostic reports.
• Database: A comprehensive database of DTC codes and descriptions.
• Connectivity: Seamless connectivity with OBD2 adapters (Bluetooth or Wi-Fi).
• Customer Support: Reliable customer support for troubleshooting.

Choosing an app with these features enhances the diagnostic experience.

2. Top OBD2 iOS Apps of 2017: A Detailed Review

In 2017, several OBD2 iOS apps stood out for their features, performance, and user satisfaction. Here’s a detailed review of some of the top contenders:

2.1. Car Scanner ELM OBD2

Car Scanner ELM OBD2 is a comprehensive app that offers real-time data monitoring, fault code diagnosis, and performance tracking. It supports a wide range of vehicles and OBD2 adapters, making it a versatile choice for iOS users. The app also includes advanced features like custom PID support and Mode 06 testing.

2.1.1. Key Features of Car Scanner ELM OBD2

• Customizable Dashboards: Create personalized dashboards with gauges and charts.
• Extended PID Support: Access hidden data from the car manufacturer.
• DTC Fault Code Reading: Read and reset DTC fault codes with descriptions.
• Freeze Frame Data: Analyze sensor data when DTCs are saved.
• Mode 06 Testing: Get ECU self-monitoring test results.
• Emission Test Readiness: Check if your car is ready for emission tests.
• HUD Mode: Project data onto the windshield for easy viewing.
• Acceleration Measurement: Measure acceleration times (0-60 mph, 0-100 km/h).
• Trip Computer: Track fuel consumption and trip statistics.
• VAG Encoding: For Volkswagen, Audi, Skoda, and Seat vehicles, set hidden parameters.

2.1.2. Pros and Cons of Car Scanner ELM OBD2

Pros:

• Wide range of features available for free.
• Extensive vehicle support.
• Customizable dashboards.
• Advanced features like extended PID support.
• User-friendly interface.

Cons:

• Some advanced features require a one-time purchase or subscription.
• Performance may vary with different OBD2 adapters.

2.1.3. User Reviews and Ratings for Car Scanner ELM OBD2

Car Scanner ELM OBD2 generally receives positive reviews from users, praising its comprehensive features and user-friendly interface. Many users appreciate the ability to customize dashboards and access advanced data. However, some users have reported occasional connectivity issues with certain OBD2 adapters. The app typically holds a rating of 4.5 stars or higher on the App Store.

2.2. OBD Fusion

OBD Fusion is a popular OBD2 iOS app known for its extensive vehicle coverage and advanced diagnostic capabilities. It supports a wide range of OBD2 adapters and offers features like custom PID support, enhanced diagnostics, and cloud logging.

2.2.1. Key Features of OBD Fusion

• Extensive Vehicle Coverage: Supports a wide range of vehicle makes and models.
• Custom PID Support: Access and monitor custom PIDs for specific vehicles.
• Enhanced Diagnostics: Perform advanced diagnostic tests.
• Cloud Logging: Save and share diagnostic data to the cloud.
• Customizable Dashboards: Create personalized dashboards with gauges and charts.
• Fuel Economy Tracking: Monitor fuel consumption and efficiency.
• Data Export: Export data in CSV format for further analysis.
• Multi-Language Support: Available in multiple languages.

2.2.2. Pros and Cons of OBD Fusion

Pros:

• Extensive vehicle coverage.
• Advanced diagnostic features.
• Custom PID support.
• Cloud logging capabilities.
• User-friendly interface.

Cons:

• Some advanced features require in-app purchases.
• Initial setup can be complex for some users.

2.2.3. User Reviews and Ratings for OBD Fusion

OBD Fusion is highly rated by users for its comprehensive features and extensive vehicle coverage. Users appreciate the app’s ability to perform advanced diagnostics and customize data displays. However, some users have noted that the initial setup can be complex, and some features require in-app purchases. The app typically maintains a rating of 4.6 stars or higher on the App Store.

2.3. DashCommand

DashCommand is a visually appealing OBD2 iOS app that provides real-time data, performance tracking, and fault code diagnosis. It features a customizable dashboard with attractive gauges and charts, making it a favorite among car enthusiasts.

2.3.1. Key Features of DashCommand

• Customizable Dashboards: Create personalized dashboards with attractive gauges and charts.
• Real-time Data Monitoring: Access live data such as RPM, speed, and temperature.
• Fault Code Diagnosis: Read and clear DTCs with detailed descriptions.
• Performance Tracking: Measure acceleration, horsepower, and torque.
• Fuel Economy Tracking: Monitor fuel consumption and efficiency.
• Data Logging: Record and analyze diagnostic data.
• Vehicle Health Reports: Generate reports on vehicle health and performance.
• Race Track Mode: Track performance on the race track.

2.3.2. Pros and Cons of DashCommand

Pros:

• Visually appealing interface.
• Customizable dashboards.
• Performance tracking features.
• Vehicle health reports.

Cons:

• Some advanced features require in-app purchases.
• Can be resource-intensive on older iOS devices.

2.3.3. User Reviews and Ratings for DashCommand

DashCommand is well-received by users for its visually appealing interface and customizable dashboards. Users enjoy the performance tracking features and the ability to generate vehicle health reports. However, some users have noted that some advanced features require in-app purchases, and the app can be resource-intensive on older iOS devices. DashCommand typically holds a rating of 4.4 stars or higher on the App Store.

2.4. Torque Pro (via Web Browser)

While Torque Pro is primarily an Android app, it can be accessed on iOS devices through a web browser using a compatible OBD2 adapter that supports Wi-Fi connectivity. Torque Pro is known for its extensive features, customizability, and support for custom PIDs.

2.4.1. Key Features of Torque Pro

• Real-time Data Monitoring: Access live data such as RPM, speed, and temperature.
• Fault Code Diagnosis: Read and clear DTCs with detailed descriptions.
• Custom PID Support: Access and monitor custom PIDs for specific vehicles.
• Customizable Dashboards: Create personalized dashboards with gauges and charts.
• Data Logging: Record and analyze diagnostic data.
• GPS Tracking: Track vehicle location and speed.
• Dyno/Dynamometer: Measure horsepower and torque.
• Head-up Display (HUD): Project data onto the windshield.

2.4.2. Pros and Cons of Torque Pro (via Web Browser)

Pros:

• Extensive features and customization options.
• Custom PID support.
• GPS tracking.
• Dyno/Dynamometer functionality.

Cons:

• Requires a Wi-Fi OBD2 adapter.
• Web browser interface may not be as seamless as a native iOS app.
• Initial setup can be complex.

2.4.3. User Reviews and Ratings for Torque Pro (via Web Browser)

Torque Pro is highly regarded by users for its extensive features and customization options. Users appreciate the custom PID support and the ability to track vehicle performance. However, accessing Torque Pro via a web browser on iOS devices may not provide the same seamless experience as a native app. User ratings for Torque Pro are generally high, with many users recommending it as a powerful diagnostic tool.

2.5. BlueDriver

BlueDriver is a popular OBD2 scanner and app combo known for its ease of use and comprehensive diagnostic capabilities. The BlueDriver adapter connects to your vehicle’s OBD2 port and communicates with the BlueDriver app on your iOS device via Bluetooth.

2.5.1. Key Features of BlueDriver

• Full System Scan: Scan all vehicle systems, not just the engine.
• Read and Clear DTCs: Read and clear Diagnostic Trouble Codes with detailed descriptions.
• Live Data: Monitor real-time data such as RPM, speed, and temperature.
• Repair Reports: Access detailed repair reports with verified fixes.
• Mode 6 Data: View Mode 6 data for advanced diagnostics.
• Enhanced Diagnostics: Perform enhanced diagnostics for specific vehicle makes and models.

2.5.2. Pros and Cons of BlueDriver

Pros:

• Easy to use.
• Full system scan capability.
• Detailed repair reports.
• Enhanced diagnostics.

Cons:

• Requires the BlueDriver adapter (sold separately).
• Some advanced features require a subscription.

2.5.3. User Reviews and Ratings for BlueDriver

BlueDriver receives high ratings from users for its ease of use and comprehensive diagnostic capabilities. Users appreciate the full system scan feature and the detailed repair reports, which provide verified fixes for common issues. The BlueDriver adapter is considered a reliable and accurate tool for vehicle diagnostics.

3. How to Choose the Right OBD2 iOS App for Your Needs

Choosing the right OBD2 iOS app depends on your specific needs and priorities. Consider the following factors when making your decision:

3.1. Compatibility with Your Vehicle

Ensure that the app supports your vehicle’s make, model, and year. Some apps offer broader vehicle coverage than others. Check the app’s documentation or website for a list of compatible vehicles.

3.2. Required Features

Identify the features that are most important to you. Do you need custom PID support, enhanced diagnostics, or cloud logging? Choose an app that offers the features you need without unnecessary bloat.

3.3. Ease of Use

Select an app with an intuitive and user-friendly interface. The app should be easy to navigate, and data should be displayed in a clear and understandable format.

3.4. OBD2 Adapter Compatibility

Verify that the app is compatible with your OBD2 adapter. Some apps only work with specific adapters, while others support a wide range of adapters. Consider whether you prefer a Bluetooth or Wi-Fi adapter.

3.5. Price and Subscription Models

Compare the prices and subscription models of different apps. Some apps are free with limited features, while others require a one-time purchase or a subscription for full access. Choose an app that offers the best value for your needs.

3.6. User Reviews and Ratings

Read user reviews and ratings to get an idea of the app’s performance and reliability. Pay attention to comments about accuracy, ease of use, and customer support.

3.7. Customer Support

Check if the app developer offers reliable customer support. Can you easily contact them if you have questions or issues? Good customer support can be invaluable when troubleshooting technical problems.

4. Setting Up and Using an OBD2 iOS App

Setting up and using an OBD2 iOS app is typically a straightforward process. Here’s a step-by-step guide:

4.1. Installing the App

1. Download the app from the App Store.
2. Install the app on your iPhone or iPad.

4.2. Connecting the OBD2 Adapter

1. Plug the OBD2 adapter into your vehicle’s OBD2 port (usually located under the dashboard).
2. Turn on your vehicle’s ignition (but do not start the engine).
3. If using a Bluetooth adapter, pair it with your iOS device in the Bluetooth settings.
4. If using a Wi-Fi adapter, connect your iOS device to the adapter’s Wi-Fi network.

4.3. Configuring the App

1. Open the OBD2 iOS app.
2. Follow the app’s instructions to connect to the OBD2 adapter.
3. Configure the app settings as needed (e.g., vehicle profile, units of measurement).

4.4. Reading and Interpreting Data

1. Once connected, the app will display real-time data from your vehicle.
2. Navigate to the fault code section to read any Diagnostic Trouble Codes (DTCs).
3. Use the app’s database to look up the descriptions of the DTCs.
4. Analyze the data to diagnose any issues with your vehicle.

5. Advanced Features and Capabilities of OBD2 iOS Apps

Beyond basic data monitoring and fault code diagnosis, many OBD2 iOS apps offer advanced features and capabilities that can enhance your diagnostic experience.

5.1. Custom PID Support

Custom PID (Parameter ID) support allows you to access and monitor specific data parameters that are not included in the standard OBD2 set. This is particularly useful for advanced users who want to monitor specific sensors or systems in their vehicle.

5.2. Enhanced Diagnostics

Enhanced diagnostics provide access to manufacturer-specific diagnostic data that is not available through the standard OBD2 protocol. This can include detailed information about transmission, ABS, and other systems.

5.3. Mode 6 Data

Mode 6 data provides access to ECU self-monitoring test results, allowing you to assess the performance of various vehicle systems. This can help you identify potential issues before they trigger a DTC.

5.4. Data Logging and Analysis

Data logging allows you to record diagnostic data over time for later analysis. This can be useful for tracking intermittent issues or monitoring vehicle performance under different conditions.

5.5. Cloud Logging

Cloud logging enables you to save and share diagnostic data to the cloud, making it accessible from multiple devices. This can be useful for collaborating with other technicians or sharing data with your mechanic.

5.6. Fuel Economy Tracking

Fuel economy tracking features allow you to monitor your vehicle’s fuel consumption and efficiency. This can help you identify ways to improve your fuel economy and save money on gas.

6. Common OBD2 Error Codes and Their Meanings

OBD2 error codes, also known as Diagnostic Trouble Codes (DTCs), are codes that your car’s computer system generates when it detects a problem. Understanding these codes can help you diagnose and fix issues. Here are some common OBD2 error codes and their meanings:

6.1. P0300: Random/Multiple Cylinder Misfire Detected

This code indicates that the engine is misfiring in one or more cylinders. Possible causes include faulty spark plugs, ignition coils, fuel injectors, or vacuum leaks.

6.2. P0171: System Too Lean (Bank 1)

This code indicates that the air-fuel mixture is too lean (too much air, not enough fuel) in bank 1 of the engine. Possible causes include vacuum leaks, a faulty mass airflow sensor, or a clogged fuel filter.

6.3. P0420: Catalyst System Efficiency Below Threshold (Bank 1)

This code indicates that the catalytic converter is not functioning efficiently. Possible causes include a faulty catalytic converter, exhaust leaks, or faulty oxygen sensors.

6.4. P0101: Mass Air Flow (MAF) Sensor Circuit Range/Performance

This code indicates that there is a problem with the mass airflow sensor circuit. Possible causes include a faulty MAF sensor, wiring issues, or vacuum leaks.

6.5. P0301: Cylinder 1 Misfire Detected

This code indicates that the engine is misfiring in cylinder 1. Possible causes include faulty spark plugs, ignition coils, fuel injectors, or vacuum leaks.

6.6. U0100: Lost Communication With ECM/PCM

This code indicates that there is a communication issue with the Engine Control Module (ECM) or Powertrain Control Module (PCM). Possible causes include wiring issues, a faulty ECM/PCM, or a communication network problem.

6.7. P0113: Intake Air Temperature Circuit High Input

This code indicates that the intake air temperature sensor is reading too high. Possible causes include a faulty IAT sensor or wiring issues.

6.8. P0011: “A” Camshaft Position – Timing Over-Advanced or System Performance (Bank 1)

This code indicates that the camshaft timing is over-advanced in bank 1. Possible causes include a faulty camshaft position sensor, a clogged oil passage, or a faulty variable valve timing (VVT) actuator.

6.9. P0442: Evaporative Emission Control System Leak Detected (Small Leak)

This code indicates that there is a small leak in the evaporative emission control system. Possible causes include a loose or faulty gas cap, a cracked charcoal canister, or a leaking fuel line.

6.10. P0507: Idle Control System RPM Higher Than Expected

This code indicates that the engine idle speed is higher than expected. Possible causes include a vacuum leak, a faulty idle air control valve, or a throttle body issue.

Consulting the vehicle repair manual and repair information databases available through OBD2-SCANNER.EDU.VN can help properly diagnose and repair the problem.

7. Choosing the Right OBD2 Adapter

The OBD2 adapter is the hardware interface that connects your vehicle’s OBD2 port to your iOS device. Choosing the right adapter is crucial for reliable and accurate data.

7.1. Bluetooth vs. Wi-Fi Adapters

OBD2 adapters come in two main types: Bluetooth and Wi-Fi.

• Bluetooth Adapters: These adapters connect to your iOS device via Bluetooth. They are generally easy to set up and use, but they may have limited range and slower data transfer speeds.
• Wi-Fi Adapters: These adapters connect to your iOS device via Wi-Fi. They typically offer faster data transfer speeds and longer range than Bluetooth adapters, but they may require more complex setup.

7.2. Recommended OBD2 Adapter Brands

Some popular and reliable OBD2 adapter brands include:

• Kiwi 3: Known for its fast data transfer speeds and compatibility with a wide range of vehicles.
• Viecar: Offers a good balance of performance and affordability.
• V-Gate: A reliable option with good compatibility.
• Carista: Designed for specific vehicle makes and models, offering advanced features.
• LELink: A popular choice for its ease of use and compatibility.
• Veepeak: Offers a range of affordable and reliable OBD2 adapters.

7.3. Avoiding Cheap Chinese Clones

Be cautious when purchasing cheap OBD2 adapters from online marketplaces like eBay and Amazon. Many of these adapters are Chinese clones that may not meet quality standards. These clones can have connectivity issues, provide inaccurate data, or even damage your vehicle’s ECU. Look for genuine ELM327 adapters or recommended adapter brands to ensure reliability and safety.

7.4. Checking Adapter Compatibility with Your App

Before purchasing an OBD2 adapter, verify that it is compatible with your chosen OBD2 iOS app. Some apps only work with specific adapters, while others support a wider range of adapters. Check the app’s documentation or website for a list of compatible adapters.

8. Maintaining Your Vehicle with OBD2 Data

Using an OBD2 iOS app can help you maintain your vehicle and prevent costly repairs. Here are some tips for using OBD2 data to keep your car running smoothly:

8.1. Regular Scanning for Error Codes

Scan your vehicle for error codes regularly, even if you don’t notice any problems. Catching minor issues early can prevent them from escalating into major repairs.

8.2. Monitoring Key Parameters

Monitor key parameters such as engine temperature, RPM, and fuel pressure. Changes in these parameters can indicate potential problems.

8.3. Tracking Fuel Economy

Track your fuel economy to identify potential issues with your engine or driving habits. A sudden drop in fuel economy can indicate a problem with your engine, fuel system, or tires.

8.4. Performing Regular Maintenance

Use OBD2 data to inform your regular maintenance schedule. For example, if you notice that your engine temperature is consistently high, you may need to check your coolant level or cooling system.

8.5. Documenting Diagnostic Data

Document your diagnostic data over time to track changes and identify potential problems. This can be helpful when diagnosing intermittent issues or when consulting with a mechanic.

8.6. Using Repair Information Resources

Use OBD2 error codes to find repair information. Refer to resources at OBD2-SCANNER.EDU.VN, or consult with a professional mechanic.

9. OBD2 App Troubleshooting Tips

Encountering issues while using your OBD2 app is common. The following troubleshooting tips can help resolve many problems:

9.1. Ensuring a Secure Connection

Make sure the OBD2 adapter is firmly plugged into the OBD2 port and that your iOS device is properly connected to the adapter via Bluetooth or Wi-Fi.

9.2. Verifying Adapter Compatibility

Ensure that the OBD2 adapter is compatible with your vehicle and the OBD2 app. Check the app’s documentation or website for a list of compatible adapters.

9.3. Restarting Devices

Restart both your iOS device and the OBD2 adapter. This can often resolve connectivity issues.

9.4. Clearing App Cache

Clearing the app cache can sometimes resolve performance issues. Refer to your iOS device’s settings for instructions on how to clear the app cache.

9.5. Updating the App

Ensure that you are using the latest version of the OBD2 app. App updates often include bug fixes and performance improvements.

9.6. Checking Vehicle’s Battery

A weak battery can sometimes cause OBD2 communication issues. Ensure that your vehicle’s battery is in good condition.

9.7. Contacting Support

Contact the app developer or adapter manufacturer for support if you are unable to resolve the issue. They may be able to provide specific troubleshooting steps or solutions.

10. Future Trends in OBD2 Technology

OBD2 technology is constantly evolving, with new features and capabilities being introduced regularly. Here are some future trends to watch for:

10.1. Enhanced Cybersecurity

As vehicles become more connected, cybersecurity is becoming increasingly important. Future OBD2 systems will likely include enhanced security features to protect against hacking and data breaches.

10.2. Integration with AI and Machine Learning

AI and machine learning are being integrated into OBD2 systems to provide more advanced diagnostics and predictive maintenance capabilities. These technologies can analyze data to identify potential problems before they occur.

10.3. Over-the-Air (OTA) Updates

Over-the-air (OTA) updates will allow vehicle manufacturers to update software and firmware remotely, without requiring a visit to the dealership. This will make it easier to keep vehicles up-to-date with the latest features and security patches.

10.4. Advanced Driver-Assistance Systems (ADAS) Integration

OBD2 systems will increasingly be integrated with Advanced Driver-Assistance Systems (ADAS) to provide more comprehensive vehicle monitoring and control. This will enable features such as automatic emergency braking and lane departure warning.

10.5. Increased Data Collection and Analysis

Future OBD2 systems will collect and analyze more data than ever before, providing valuable insights into vehicle performance, driver behavior, and maintenance needs. This data can be used to improve vehicle design, optimize maintenance schedules, and enhance the driving experience.

OBD2-SCANNER.EDU.VN remains committed to providing the latest insights into these advancements and helping you get the most out of your vehicle’s diagnostic capabilities.

Using an OBD2 iOS app is a great way to monitor your vehicle’s performance, diagnose issues, and save money on repairs. By understanding the features, benefits, and limitations of these apps, you can choose the right one for your needs and keep your car running smoothly, but if you require assistance with more in-depth diagnostics or repair information, our team at OBD2-SCANNER.EDU.VN is ready to help. Contact us today at 123 Main Street, Los Angeles, CA 90001, United States, via Whatsapp at +1 (641) 206-8880, or visit our website at OBD2-SCANNER.EDU.VN.