OBD Fusion
OBD2 scan tool & diagnostics
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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 custom dashboards, read diagnostic trouble codes, estimate fuel economy, and much more!

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 or compatible Bluetooth LE adapter such as Veepeak BLE/BLE+ 4.0 adapter, Carista BLE adapter, OBDLink MX+, OBDLink CX, Tonwon BLE adapter, LELink BLE adapter, Viecar BLE adapter, Lonauto adapter, Vgate iCar Bluetooth 4.0, BAST BLE adapter, Kiwi 3/4 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 that don’t support standard OBD2 protocols.

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

- View vital driving information on your CarPlay screen. Note that real-time gauges are not supported by CarPlay, so you can't view your OBD Fusion pages such as dashboards on CarPlay.
- With optional enhanced diagnostic add-ons, you can read and clear enhanced trouble codes on other modules such as ABS, SRS, etc. and read transmission temperature. An enhanced diagnostic add-on is required for this functionality.
- Real-time dashboard display with fully customizable gauges. Create your own dashboards with the gauges that you want to see.
- 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 shared
- Real-time graphing of multiple signals
- Multiple trip meters

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

- Read freeze frame data

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

- Over 150 supported PIDs

- Display 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
- 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 is brought to you by OCTech, LLC, the makers of TouchScan and OBDwiz.

OBD Fusion is a trademark of OCTech, LLC registered in the U.S.
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In-Apps

Toyota 2021 Enhanced
$14.99
Ford 2004 Enhanced Diagnostics
$14.99
Ford 2005 Enhanced Diagnostics
$14.99
Ford 2006 Enhanced Diagnostics
$14.99
Ford 2013 Enhanced Diagnostics
$14.99
Toyota 2006 Enhanced Diagnostics
$14.99
Toyota 2007 Enhanced Diagnostics
$14.99
Toyota 2008 Enhanced Diagnostics
$14.99
Toyota 2015 Enhanced Diagnostics
$14.99
Toyota 2016 Enhanced Diagnostics
$14.99

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User Rating

4.73 out of 5

17,069 ratings in United States

5 star
13,923
4 star
2,280
3 star
497
2 star
118
1 star
251

Ratings History

Reviews

Basic menus on CarPlay

Hsarestore on

In reality when you use it in CarPlay just a few lines show up. No dashboards or gages. Would. It have purchased if that was disclosed.

Screens are convoluted and not easy to use

clv2012 on

Wanted to do live data on O2 sensors which car scanner does and easily but I did not love the graph, saw different graph setups on the App Store page for this and downloaded this, waste of time and money, have added all my stuff to log which took forever to find and none of it shows up anywhere, hope I can get a refund, am using iPhone 12 Pro Max on latest software update , messing with these silly Bluetooth apps totally makes me think buying a dedicated scanner is the way to go, all of this is a waste of time, my scanners are all much more usable, but this app is very convoluted compared to car scanner

Doesn’t work for 2009-2010 ford diesel vans

Tim.wasalreadytaken on

Even tried purchasing their “extended pid license” for an extra $15, which the app said would work. And it still won’t monitor or provide any extended functionality. I’ve tried twice to get Apple to refund, both times denied. So buyer beware. There’s no way to test this out before committing to the full $25 purchase, and you’re completely on your own when it doesn’t work.

Wiped all my dashboards

Sharky's Dad on

I used to like this app. I spent countless hours building the perfect dashboards and then hey presto, without any warning or changes, everything was reset to default. Incredibly frustrating. Now I’m uncertain whether to spend yet more hours recreating my work if this app is going to randomly wipe everything.

Junk

this is unacceptable. on

Bought this about a year ago and it worked OK, paid for the upgrade information on my vehicle, now there is no support for this device… it won’t update, it’s still the basic features, but there are no advanced features that I paid for available now, this company as a joke, and they ripped me off

Does not work

the_chosen_one@0936 on

I was told to download this app for my iPhone and it does not connect to my obd2 scanner at all

Used it on 2008 beetle to read temp and other info on the dash

***DUDE*** on

So far. Very nice.

UPDATE PIDS FOR CARPLAY

Mazda Mike412 on

I absolutely love this app and saw that they recently released a firmware update for my car “2024 Mazda 3 2.5t “ Would be awesome if they could make the CarPlay PIDS more customizable 😉

Obd

Mark 11345679964433 on

Had this app for almost 8 years it always has worked good. Then recently, I had a little bug issue, but it was resolved quickly and now the app is back to working good again.

Can’t read Mach-E data

reddit justlikeapenguin on

Please allow it to read Mach-E battery data. They show blank

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App Info

Category
Travel
Publisher
OCTECH LLC
Languages
English, French, Greek (modern), Italian, Spanish, Czech
Recent version
6.3.0 (1 month ago )
Released on
Jun 2, 2013 (11 years ago )
Last updated
3 days ago