OBD Fusion

OBD Fusion

OBD2 scan tool & diagnostics

19K ratings
407 reviews
$9.99
In-App Purchases

Details

  • Released
  • Updated
  • June 2, 2013
  • July 16, 2026

Features

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About

This app connects to your car's OBD2 port via a compatible adapter to read vehicle data. Monitor fuel economy, clear check engine lights, and create custom dashboards for real-time diagnostics and performance tracking.

✓Read and clear OBD2 trouble codes
✓Customizable real-time dashboards
✓Estimate fuel economy
✓Performance calculations (0-60, 1/4 mile)
✓Real-time data logging and graphing
✓Diagnostic report generation
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What users say

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What's New in OBD Fusion

7.4.0

July 16, 2026

• Added enhanced diagnostics for 2026 Ford vehicles. Use the vehicle editor to check support for your vehicle. • Added some additional Manufacturer PIDs for GM vehicles. • Made improvements to the Trip Statistics page. • Multiple bug fixes and improvements.

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4

Subscriptions & In-App Purchases

$14.99

Ford 2003 Enhanced Diagnostics

Adds dealer-level diagnostics for model year 2003 Ford, Lincoln, and Mercury vehicles.

Charts

Top Paid

📊 4

Travel

The app has maintained its position at 4 recently.

Last updated on October 13, 2026.

Top Grossing

📈 58+1

Travel

This app rose +1 position in Travel chart.

Last updated on October 13, 2026.

Top Paid

📉 71-3

Global

This app dropped -3 positions in Global chart.

Last updated on October 13, 2026.

User reviews

Could Be Great

This app could be great if it had a modern UI, allowed for more customization, and reliably connected with the OBD reader. The UI is very outdated, everything is gray and boring, the gauges are not appealing, and things are hard to find in the UI. There is some customization but not enough. I want to be able to show whole numbers on readouts, I don’t need MPG to the hundredth of a mile. I would also like nice gauges in CarPlay not just rows of numbers. Lastly, the connection reliability is what bothers me the most about this app. It will work fine one day and then the next day it won’t connect no matter what I try. Then it works fine the next day. It makes absolutely no sense and it drives me insane. I don’t know if I would recommend this app to anyone unless it receives a heavy refresh and debugging.
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Used to be good

Broke my phone of 5 years. Redownloaded app on new phone and now it wants me to buy what I used to have .

app

juste was charged $22 for something i didn’t buy on app.

CarPlay Integration Sets It Apart

OBD Fusion is an excellent ODB app plus it provides a way to view parameters on your vehicle’s CayPlay screen. This is a game changer for me.

Missing promised features

The app looks nice but has some problems. First, the dev seems biased to other makes since only a few manufacturer PID’s are available with initial purchase. I can’t get a simple PID for oil pressure out of this app when I get it from free ones. I bought the add-on PID for my car’s make and it still doesn’t show up. That’s $20 I’ve spent so far! 😤🤬
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User experience

🐞

Reported Bugs

4 issues

Randomly disconnects from vehicle

Bug

Fails to detect or read codes on some vehicles

Bug

Gauge values not updating properly in some cases

Bug

Dashboards reset without warning

Bug
✨

Requested Features

5 requests

Add CarPlay support

Feature

Improve data logging and graphing capabilities

Feature

Expand vehicle compatibility, especially for non-US models

Feature

Allow saving and restoring dashboard configurations

Feature

Provide more detailed diagnostic information

Feature

FAQ

What does OBD Fusion do?

OBD Fusion is a mobile application that connects to your car's OBD2 port using a compatible adapter. It allows you to read vehicle data, diagnose issues by reading and clearing trouble codes, monitor fuel economy, and create custom dashboards for real-time information.

What are the key features of OBD Fusion?

Key features include reading and clearing check engine lights and trouble codes, creating fully customizable real-time dashboards with various gauges, calculating performance metrics like 0-60 mph times, estimating fuel economy, and generating shareable diagnostic reports.

How much does OBD Fusion cost?

The app itself is free to download and use for basic functions. However, certain advanced features, such as reading enhanced trouble codes for modules like ABS and SRS, require optional in-app purchases for enhanced diagnostic add-ons.

What vehicles are compatible with OBD Fusion?

OBD Fusion supports all OBD2 and EOBD vehicles sold worldwide. It can also connect to some JOBD vehicles that don't support standard OBD2 protocols. Electric vehicles (EVs) may have limited or no OBD2 diagnostic support.

What hardware do I need to use OBD Fusion?

To use OBD Fusion, you need a Wi-Fi ELM327 compatible adapter or a compatible Bluetooth LE adapter. The app is not compatible with generic ELM Bluetooth scan tools. A list of recommended adapters can be found on the developer's website.