What's New

• Added new dashboard gauge types including a graph gauge and a compass (GPS bearing).
• Added snapping to a grid when positioning dashboard gauges. This option can be customized and disabled in settings.
• Added support for the THINMI BLE adapter.
• Minor bug fixes and improvements.

App Description

OBD Fusion is an app for your car that allows you to read OBD2 vehicle data directly from your iPhone, iPod Touch, or iPad. You can clear your check engine light, create customized dashboards, read diagnostic trouble codes, estimate fuel economy, and much more! OBD Fusion is also available for Apple Watch!

Is your check engine light on? Do you want to monitor fuel economy and usage in your vehicle? Do you want cool looking virtual dashboards on your iPhone or iPad? If so, then OBD Fusion is the app for you! OBD Fusion is used by professional mechanics, do-it-yourself mechanics, and vehicle owners who want to monitor their vehicle and daily driving habits. Drive smarter, improve your fuel economy, and keep your engine healthy!

IMPORTANT NOTE: You must have a Wi-Fi ELM327 compatible adapter, Veepeak BLE/BLE+ 4.0 adapter, Carista BLE adapter, OBDLink MX+, Tonwon BLE adapter, LELink BLE adapter, Viecar BLE adapter, Lonauto adapter, Vgate iCar Bluetooth 4.0, BAST BLE adapter, Kiwi 3 or 4, or compatible ELM327 Bluetooth LE adapter to use this app. OBD Fusion is not compatible with generic ELM Bluetooth scan tools. Checkout additional adapters here: https://www.obdsoftware.net/software/obdfusion

OBD Fusion supports all OBD2 and EOBD vehicles sold worldwide. If you're not sure whether your vehicle is OBD2 or EOBD compliant, see this page for more information: https://www.obdsoftware.net/support/knowledge-base/how-do-i-know-whether-my-vehicle-is-obd-ii-compliant/. OBD Fusion can also connect to some JOBD vehicles through advanced configuration in the app. Please contact us for more details.

Electric vehicles (EVs) are not required to have OBD2 diagnostics since they are emissions exempt. If you are interested in using OBD Fusion on an EV, contact us first to inquire about support.

OBD Fusion is brought to you by OCTech, LLC, the makers of TouchScan and OBDwiz. Now you can get the same great features for your iPhone, iPod Touch, or iPad!

OBD Fusion has a ton of features including:
- Read and clear emissions-related diagnostic trouble codes and your Check Engine Light (MIL)

- With our optional enhanced diagnostic add-ons, you can read and clear enhanced diagnostic trouble codes and fault lights on other modules such as ABS, SRS, etc. An enhanced diagnostic add-on is required for this functionality.
- Real-time dashboard display with fully customizable gauges
- Performance calculations for 1/4 mile and 0-60 mph track times
- Fuel economy MPG (US and UK), l/100km or km/l calculation
- Full diagnostic report that can be stored and emailed
- Real-time graphing of multiple signals
- Multiple trip meters

- Log data to CSV file and email CSV files
- Create custom enhanced PIDs
- Includes some built-in enhanced PIDs for Ford and GM vehicles
- Display Boost pressure in real-time
- Display Engine Horsepower and Torque
- Display calculated Air-to-fuel ratio
- Display battery voltage

- Read freeze frame data

- Fully customizable units including English, Imperial, and Metric units

- Real-time graphing
- Over 150 supported PIDs

- Displays vehicle information including VIN and calibration ID

- Emissions readiness for each US state
- Find out if your car will pass emissions inspection
- Oxygen Sensor Results (Mode $05)

- On-board Monitoring Tests (Mode $06)

- In-performance Tracking Counters (Mode $09)

- GPS tracking - plot vehicle parameters on a map in real-time
- Integrated iCloud and Dropbox functionality
- Available in English, Czech, French, Italian, Spanish and Greek
- Manufacturer specific Enhanced Diagnostics are available for certain vehicles through In-App purchases.

** Continued use of GPS running in the background can dramatically decrease battery life.

OBD Fusion for Apple Watch includes the following features:
- View statistics about your last trip
- View quick information about your vehicle
- See where you parked your car on the map
- Set parking meter time and easily check the time remaining on the parking meter

iPhone Screenshots

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iPad Screenshots

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Apple Watch Screenshots

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OBD Fusion screenshot 11 OBD Fusion screenshot 12 OBD Fusion screenshot 13 OBD Fusion screenshot 14 OBD Fusion screenshot 15

App Changes

  • May 29, 2013 Initial release
  • June 11, 2013 New version 1.0.1
  • July 25, 2013 New version 1.1.0
  • October 13, 2013 New version 2.0.0
  • January 16, 2014 New version 2.1.0
  • May 14, 2014 New version 2.2.0
  • October 12, 2014 New version 2.3.2
  • November 06, 2014 New version 2.4.2
  • April 27, 2015 New version 2.5.4
  • May 18, 2015 New version 2.6.0
  • May 29, 2015 New version 2.6.1
  • July 21, 2015 New version 2.7.0
  • December 01, 2015 New version 2.8.0
  • December 14, 2015 New version 2.8.1
  • July 01, 2016 New version 3.2.0
  • November 06, 2016 New version 3.3.0
  • December 17, 2016 New version 3.4.0
  • October 30, 2018 New version 4.7.1
  • November 30, 2018 New version 5.0.0
  • January 19, 2019 New version 5.1.0
  • February 04, 2019 New version 5.2.0
  • March 05, 2019 New version 5.3.0
  • June 14, 2019 New version 5.4.1
  • August 16, 2019 New version 5.5.0
  • November 04, 2019 New version 5.6.0
  • November 18, 2019 New version 5.6.1
  • January 07, 2020 New version 5.7.0
  • July 15, 2020 New version 5.10.0
  • October 23, 2020 New version 5.12.0
  • August 06, 2021 New version 5.18.0