OBD Fusion

OBD Fusion

By OCTech, LLC

  • Category: Travel
  • Release Date: 2013-06-02
  • Current Version: 4.7.1
  • Adult Rating: 4+
  • File Size: 77.91 MB
  • Developer: OCTech, LLC
  • Compatibility: Requires iOS 9.0 or later.
Score: 4.5
From 4,352 Ratings


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 scan tool, Automatic car adapter (Pro or 2nd generation), Carista BLE adapter, Tonwon BLE adapter, Veepeak BLE 4.0 adapter, LELink BLE adapter, Viecar BLE adapter, Lonauto adapter, Vinli adapter, Vgate iCar Bluetooth 4.0, BAST BLE adapter, or Kiwi 3 to use this app. OBD Fusion is not compatible with generic ELM Bluetooth scan tools and 1st generation Automatic car adapters. Checkout the full list of adapters here: https://www.obdsoftware.net/software/obdfusion OBD Fusion supports all OBD2 and EOBD vehicles sold worldwide. Not sure if 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. 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 diagnostic trouble codes and your Check Engine Light (MIL)
- 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 Dropbox functionality - Available in English, Czech, French, Italian, Spanish and Greek - Manufacturer specific Enhanced Diagnostics are available for certain vehicles through In-App purchases. * Some features may be limited based on the adapter that you are using. OBD Fusion with the Automatic adapter is currently limited to reading SAE PID data only. OBD Fusion with the Vinli adapter is currently limited to reading SAE PID data and trouble codes only. ** 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 on your watch and easily check the time remaining on the parking meter



  • Good app

    By Faxanidu
    I had a knockoff and asked for a refund and they responded. I actually just ordered one from the recommended list. So I'm keeping the app.
  • It seems fine but.....

    By TomB212
    I think all the gauges and everything about the app seem good but I can’t get the gauges or anything to work when the engine is on. Is there something to enable that?
  • More options then you can imagine!

    By my nickmame is fine
    I needed transmission fluid temperature for my 2011 Camry. Easy!!
  • Cleared my dashboard warning light.

    By Dangernoodle2000
    I have a Ford pickup that misfired triggering an engine warning light. I purchased this app to go along with an Elm327 OBDII device. I was able to connect easily with the reader by WiFi, run the diagnostics, and see 4 warnings. The motor had misfired on 2 cylinders, which triggered the dashboard light. I used the app to clear the errors and turn off the dashboard warning. BUT, there were 2 “permanent” warnings that remained in the diagnostics. I disconnected the device, drive a few miles, reconnected, ran the diagnostics again and the permanent warnings were gone. I couldn’t be happier.
  • Not happy with what’s included

    By Jrice27AF
    This app has a ridiculous amount of sensors and monitors that let you get an in-depth look at how your car is running. I purchased this app for 1 specific reason and that was to monitor transmission temp with towing stuff with my Toyota 4Runner. I paid the $9.99 for the app and that was not included in the “basic” settings. I then paid an additional $9.99 for my SUVs specific expansion pack which included an additional 100 different setting. This app is cool if you want to clear codes but it definitely lacks basic necessities. If you really want to monitor your vehicle correctly, buy a cheap android tablet at Best Buy for $40 and download Torque Converter. It a way better program but isn’t offered on iOS operating systems so I guess Apple users are stuck with this. I really wish I could get my money back.

    By Fluttercatbat
    This is actually a very very good OBDII Code reader. My dads old $200 scanner can’t quite do what this can do. Even though this reader reads about every second, so it’s a little slow here and there but that’s not really a problem. I would really suggest this scanner if you want to sweep for codes or try to even tune your car.
  • Very Nice App

    By Crankyfool
    Very informative and simple to use.
  • Great customer service and app

    By Keithnorr
    My adapter micro Mechanic wasn't working with this app so I contacted support and they ended up adding it to the list of supported devices. Great customer service and the app works great and it is very helpful for fixing up my old truck.
  • It works

    By VWsubby
    It’s simple accurate and inexpensive
  • Fantastic DIY Diagnostic Tool, especially for Drive Cycle confirmation for emissions test

    By Lonegm
    This app, combined with the Veepeak OBDCheck BLE OBD2 Bluetooth reader was awesome. I have two cars that were struggling with California’s obnoxious emissions testing. I did not want to pay hundreds of dollars on a professional scanner, but wanted to confirm the drive cycle was reset on both cars. This did the trick for $30 total ($10 app, $20 reader). I see a ton of other functionality that will come in handy. I had no connection problems with either a Volvo or Acura.