OBD2 Expert1.3.2 - App Store
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Publisher Description
OBD2-Expert is the new competent solution for vehicle diagnostics and monitoring.
=== The Highlights ===
A) Reveal vehicle problems before visiting the garage.
B) Load vehicle status files and try the functionality of the app.
C) Share your vehicle status with others and discuss solutions.
D) For developers: Use this app as BTLE-OBD2-ScanTool instead of an expensive hardware simulator.
E) For learning: Use this app as BTLE/WiFi Bridge and inspect the protocol communication.
=== The Details ===
A) Reveal vehicle problems before visiting the garage.
Connect an OBD2 WiFi or BLE adapter to your vehicle and select it from the app. View the current sensor data. Load the diagnostic trouble codes (DTC) and inspect the freeze frame data from when the error occured. The component monitoring can tell you about potential problems by showing contiguous and non-contiguous monitors as well as a detailed analysis of mode 6 diagnostics (if supported by your vehicle). If you can fix your vehicle yourself, reset the saved DTC.
B) Load vehicle status files and try the functionality of the app.
Tired of buying promising apps that don't work? Try this app for free by loading a vehicle status file instead of connecting it to an adapter.
C) Share your vehicle status with others and discuss solutions.
With this app, you can capture the state of your vehicle including all DTCs and sensor data - either for later diagnostics or to share with other people.
D) For developers: Use this app as BLE-OBD2-ScanTool instead of an expensive hardware simulator.
Are you developing an OBD2-ScanTool and not having access to dozens of vehicles with their protocols? This app can work as a BLE-OBD2-ScanTool adapter, sparing you the cost of a professional hardware simulator.
E) For learning: Use this app as BTLE/WiFi Bridge and inspect the protocol communication.
If you want to learn about the OBD2 protocol communication, you can use your BTLE dongle and bridge it via WiFi to another OBD2 app (this requires an iPad Pro where you can run two apps side-by-side or another physical phone or tablet).
=== Supported Bluetooth hardware ===
Please note that this App will _not_ work with Bluetooth 2.x or 3.x adapters! This is a hardware limitation which can't be changed. Many very cheap BTLE OBD2 adapters are not Bluetooth 4.0, so please be aware of that.
=== Closing Note ===
OBD2-Expert is not a oneshot project. We want to support and continually develop this app. Hold your breath for exciting coming features. Please use the Support-URL to communicate your feedback to us!
Version History * Improved compatibility with (more or less) ELM327-compatible adapters.
* Better performance: Now 30% less data traffic due to a more compact transfer syntax.
* In some rare cases during setup the App claimed that a WiFi controller wasn't recognized, although it was already identified. 1.3.2 04/11/2018 * ScanTool: Relax ELM327 identification requirement to improve compatibility with more clones. 1.3.1 12/13/2017 - Allow sending a communication log in case of an unidentified OBD2 WiFi adapter or a vehicle protocol incompatibility
- Add setting for extra communication delay (required by some slow OBD2 adapters)
- Improve compatibility with newer OBD2 WiFi adapters
- Improve compatibility with newer devices and operating system versions 1.3 10/24/2017 This version brings you a major new feature and some important fixes:
- [FEATURE] The component monitoring now shows a third tab "Diagnostics" which contains in-depth OBD2 mode 6 analysis parameters (if supported by the vehicle).
- [BUGFIX] The component monitoring tab "Cumulated Values" was sometimes not active although the vehicle transmitted data.
- [OTHER] The protocol parser is now safer against invalid / short frames.
Please keep the feature suggestions coming via the support-URL. 1.2 11/16/2016 Fixes:
- Sensor Data: Resolved a rare crash when using the 'Navigation back' drag gesture
- Component Monitoring: Resolved a potential crash for vehicles that have a faulty OBD2 protocol implementation
Added:
- Component Monitoring: Show a warning alert when a faulty OBD2 protocol implementation has been detected
- BTLE/WiFi Bridge: Use a BTLE adapter and export it via WiFi to another OBD2 app 1.1 10/31/2016 1.0 09/23/2016
About OBD2 Expert
The company that develops OBD2 Expert is Michael Lauer. The latest version released by its developer is 1.3.2.
To install OBD2 Expert on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the OBD2 Expert as malware if the download link is broken.
How to install OBD2 Expert on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the OBD2 Expert is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After OBD2 Expert is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.3.2
posted on 2026-10-14
Version History * Improved compatibility with (more or less) ELM327-compatible adapters.
* Better performance: Now 30% less data traffic due to a more compact transfer syntax.
* In some rare cases during setup the App claimed that a WiFi controller wasn't recognized, although it was already identified. 1.3.2 04/11/2018 * ScanTool: Relax ELM327 identification requirement to improve compatibility with more clones. 1.3.1 12/13/2017 - Allow sending a communication log in case of an unidentified OBD2 WiFi adapter or a vehicle protocol incompatibility
- Add setting for extra communication delay (required by some slow OBD2 adapters)
- Improve compatibility with newer OBD2 WiFi adapters
- Improve compatibility with newer devices and operating system versions 1.3 10/24/2017 This version brings you a major new feature and some important fixes:
- [FEATURE] The component monitoring now shows a third tab "Diagnostics" which contains in-depth OBD2 mode 6 analysis parameters (if supported by the vehicle).
- [BUGFIX] The component monitoring tab "Cumulated Values" was sometimes not active although the vehicle transmitted data.
- [OTHER] The protocol parser is now safer against invalid / short frames.
Please keep the feature suggestions coming via the support-URL. 1.2 11/16/2016 Fixes:
- Sensor Data: Resolved a rare crash when using the 'Navigation back' drag gesture
- Component Monitoring: Resolved a potential crash for vehicles that have a faulty OBD2 protocol implementation
Added:
- Component Monitoring: Show a warning alert when a faulty OBD2 protocol implementation has been detected
- BTLE/WiFi Bridge: Use a BTLE adapter and export it via WiFi to another OBD2 app 1.1 10/31/2016 1.0 09/23/2016
version 1.3.2
posted on 2026-09-04
Version History This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
* Improved compatibility with (more or less) ELM327-compatible adapters.
* Better performance: Now 30% less data traffic due to a more compact transfer syntax.
* In some rare cases during setup the App claimed that a WiFi controller wasn't recognized, although it was already identified. 1.3.2 04/11/2018 * ScanTool: Relax ELM327 identification requirement to improve compatibility with more clones. 1.3.1 12/13/2017 - Allow sending a communication log in case of an unidentified OBD2 WiFi adapter or a vehicle protocol incompatibility
- Add setting for extra communication delay (required by some slow OBD2 adapters)
- Improve compatibility with newer OBD2 WiFi adapters
- Improve compatibility with newer devices and operating system versions 1.3 10/24/2017 This version brings you a major new feature and some important fixes:
- [FEATURE] The component monitoring now shows a third tab "Diagnostics" which contains in-depth OBD2 mode 6 analysis parameters (if supported by the vehicle).
- [BUGFIX] The component monitoring tab "Cumulated Values" was sometimes not active although the vehicle transmitted data.
- [OTHER] The protocol parser is now safer against invalid / short frames.
Please keep the feature suggestions coming via the support-URL. 1.2 11/16/2016 Fixes:
- Sensor Data: Resolved a rare crash when using the 'Navigation back' drag gesture
- Component Monitoring: Resolved a potential crash for vehicles that have a faulty OBD2 protocol implementation
Added:
- Component Monitoring: Show a warning alert when a faulty OBD2 protocol implementation has been detected
- BTLE/WiFi Bridge: Use a BTLE adapter and export it via WiFi to another OBD2 app 1.1 10/31/2016 1.0 09/23/2016
version 1.3.2
posted on 2026-08-23
Version History This update from Apple will improve the functionality of this app. No new features are included.
* Improved compatibility with (more or less) ELM327-compatible adapters.
* Better performance: Now 30% less data traffic due to a more compact transfer syntax.
* In some rare cases during setup the App claimed that a WiFi controller wasn't recognized, although it was already identified. 1.3.2 04/11/2018 * ScanTool: Relax ELM327 identification requirement to improve compatibility with more clones. 1.3.1 12/13/2017 - Allow sending a communication log in case of an unidentified OBD2 WiFi adapter or a vehicle protocol incompatibility
- Add setting for extra communication delay (required by some slow OBD2 adapters)
- Improve compatibility with newer OBD2 WiFi adapters
- Improve compatibility with newer devices and operating system versions 1.3 10/24/2017 This version brings you a major new feature and some important fixes:
- [FEATURE] The component monitoring now shows a third tab "Diagnostics" which contains in-depth OBD2 mode 6 analysis parameters (if supported by the vehicle).
- [BUGFIX] The component monitoring tab "Cumulated Values" was sometimes not active although the vehicle transmitted data.
- [OTHER] The protocol parser is now safer against invalid / short frames.
Please keep the feature suggestions coming via the support-URL. 1.2 11/16/2016 Fixes:
- Sensor Data: Resolved a rare crash when using the 'Navigation back' drag gesture
- Component Monitoring: Resolved a potential crash for vehicles that have a faulty OBD2 protocol implementation
Added:
- Component Monitoring: Show a warning alert when a faulty OBD2 protocol implementation has been detected
- BTLE/WiFi Bridge: Use a BTLE adapter and export it via WiFi to another OBD2 app 1.1 10/31/2016 1.0 09/23/2016
version 1.3.2
posted on 2018-04-11
This app has been updated by Apple to display the Apple Watch app icon.
* Improved compatibility with (more or less) ELM327-compatible adapters.
* Better performance: Now 30% less data traffic due to a more compact transfer syntax.
* In some rare cases during setup the App claimed that a WiFi controller wasn't recognized, although it was already identified.
version 1.3.2
posted on 2018-04-11
Apr 11, 2018 Version 1.3.2
* Improved compatibility with (more or less) ELM327-compatible adapters.
* Better performance: Now 30% less data traffic due to a more compact transfer syntax.
* In some rare cases during setup the App claimed that a WiFi controller wasn't recognized, although it was already identified.
version 1.3.2
posted on 2018-04-11
Apr 11, 2018
Version 1.3.2
This app has been updated by Apple to display the Apple Watch app icon.
* Improved compatibility with (more or less) ELM327-compatible adapters.
* Better performance: Now 30% less data traffic due to a more compact transfer syntax.
* In some rare cases during setup the App claimed that a WiFi controller wasn't recognized, although it was already identified.
version 1.0
posted on 2016-09-23
Disclaimer
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