Comparison

OBD Fusion vs OBDLink

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OBD Fusion

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.

Highlights
  • 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
Features
Read full description

OBD Fusion is an app for your car that allows you to read OBD2 vehicle data directly from your iPhone 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/knowledgebase/obd2compliant. 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 - Real-time data logging and playback - Multiple trip meters
 - Log data to CSV file - Create custom enhanced PIDs - Includes some built-in enhanced PIDs for 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 250 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, Spanish, French, Italian, German, Czech, Greek, Chinese, and Portuguese - 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.

About

OBDLink

Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor real-time engine data, and track fuel economy. Generate detailed reports for easy sharing and analysis.

Highlights
  • Read and clear diagnostic trouble codes
  • Display real-time vehicle data
  • Customizable dashboards
  • Estimate fuel economy
  • Log data to CSV
  • GPS tracking of vehicle parameters
  • Full diagnostic reports
Features
Read full description

***The OBDLink app exclusively works with OBDLink MX+, OBDLink CX, and OBDLink MX WiFi OBD adapters*** ***The app will NOT function with any other brand of OBD adapter.*** ***MX+ provides Unlimited Free OEM Add-ons, No in-app fees*** Convert your phone or tablet into a full-fledged diagnostic scan tool: read diagnostic trouble codes, clear the "Check Engine" light, check emissions readiness, estimate fuel economy and much more! Key features: - Check and clear diagnostic trouble codes - Read freeze frame data - Display real-time data (over 90 parameters!) - Customizable dashboards - Emissions readiness for each US state - Fuel economy MPG, l/100km or km/l calculation - Multiple trip meters - Log data to CSV format (compatible with Excel) - Retrieve vehicle information including VIN number and calibration ID - 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 - Full diagnostic report that can be e-mailed or uploaded to Dropbox - English and Metric units - Support for English, Spanish, French, Greek, Italian, and Czech languages - Free unlimited updates - Ad-free * Continued use of GPS running in the background can dramatically decrease battery life.

Screenshots

OBD Fusion4 screens
OBDLink4 screens

Verdict

The call

The clearest difference is price: OBDLink at Free against OBD Fusion's $9.99. OBD Fusion's advantage is chart position (#4 vs unranked). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

OBDLink is free to download; OBD Fusion costs $9.99 up front. OBD Fusion sells 20 one-off in-app purchases and OBDLink sells 73 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for OBD Fusion against 4.8 for OBDLink. Both are backed by a comparable volume of ratings — 19K and 12K respectively. Written reviews are what separate them: 59% of OBD Fusion's written reviews are positive against 62% of OBDLink's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on September 24, 2026.

Scorecard2 real differences · 9 level
OBD Fusion versus OBDLink: the parameters behind the verdict, then further details
ParameterOBD FusionOBDLink
Price$9.99Free — better
Rating4.7 (19K ratings)4.8 (12K ratings) — better
Positive reviews59.4% of reviews61.8% of reviews — better
Number of ratings19K — better12K
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#4 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size59 MB65 MB
Age rating17+17+
DeveloperOCTech, LLCOBD Solutions LLC

Customer experience

OBD Fusion

All ratings19,263 ratings
Positive94.9%
Neutral2.8%
Negative2.3%
Written reviews406 reviews
Positive59.4%
Neutral8.1%
Negative32.5%

OBDLink

All ratings12,280 ratings
Positive95.9%
Neutral2.4%
Negative1.7%
Written reviews233 reviews
Positive61.8%
Neutral13.3%
Negative24.9%

User reviews

OBD Fusion

From 19K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Customizable dashboards
  • 💡 Helpful for diagnostics and monitoring
  • 🔍 Detailed vehicle information
  • 📊 Useful performance data

Room to improve

  • 🐛 Connectivity issues
  • 🔒 Limited vehicle support
  • 💰 Expensive for some features
  • 🔋 High battery consumption
  • 🤔 Confusing interface in some areas

OBDLink

From 12K App Store ratings

What we love

  • 🚀 Fast and responsive
  • 👍 Customizable dashboard
  • 📊 Comprehensive diagnostics
  • 💰 Good value for money
  • 🔧 Helpful for DIY repairs

Room to improve

  • 🐛 Connectivity issues
  • 🔌 Unreliable Bluetooth connection
  • 🤔 Limited support for newer vehicles
  • 📱 No CarPlay/Android Auto support
  • 🔍 Difficult to navigate/configure

Bugs and requests

OBD Fusion

Reported bugs

4 issues
  • Randomly disconnects from vehicle
  • Fails to detect or read codes on some vehicles
  • Gauge values not updating properly in some cases
  • Dashboards reset without warning

Requested features

5 requests
  • Add CarPlay support
  • Improve data logging and graphing capabilities
  • Expand vehicle compatibility, especially for non-US models
  • Allow saving and restoring dashboard configurations
  • Provide more detailed diagnostic information

OBDLink

Reported bugs

4 issues
  • App freezes or disconnects randomly
  • Trouble clearing error codes
  • Inconsistent data readings
  • Issues with firmware updates

Requested features

5 requests
  • Add CarPlay/Android Auto support
  • Improve Bluetooth/WiFi stability
  • Expand vehicle brand coverage
  • Enhance user interface and customization
  • Provide more detailed diagnostic information

In-app purchases

20 purchases

OBD Fusion

One-time20
  • Ford 2003 Enhanced Diagnostics$14.99
  • Ford 2004 Enhanced Diagnostics$14.99
  • Ford 2006 Enhanced Diagnostics$14.99
Show 17 more
  • Toyota 2005 Enhanced Diagnostics$14.99
  • Toyota 2020 Enhanced$14.99
  • Toyota 2018 Enhanced$14.99
  • Toyota 2019 Enhanced$14.99
  • Ford 2016 Enhanced Diagnostics$14.99
  • Toyota 2013 Enhanced Diagnostics$14.99
  • Ford 2013 Enhanced Diagnostics$14.99
  • Ford 2005 Enhanced Diagnostics$14.99
  • Toyota 2006 Enhanced Diagnostics$14.99
  • Toyota 2007 Enhanced Diagnostics$14.99
  • Toyota 2008 Enhanced Diagnostics$14.99
  • Toyota 2010 Enhanced Diagnostics$14.99
  • Toyota 2016 Enhanced Diagnostics$14.99
  • Toyota 2017 Enhanced Diagnostics$14.99
  • Toyota 2021 Enhanced$14.99
  • Toyota 2014 Enhanced Diagnostics$14.99
  • Toyota 2015 Enhanced Diagnostics$14.99
73 purchases

OBDLink

One-time73
  • Ford 1999 Enhanced Diagnostic$14.99
  • Ford 2005 Enhanced Diagnostics$14.99
  • Ford 2006 Enhanced Diagnostics$14.99
Show 70 more
  • Ford 2007 Enhanced Diagnostics$14.99
  • Ford 2010 Enhanced Diagnostics$14.99
  • Ford 2011 Enhanced Diagnostics$14.99
  • Ford 2012 Enhanced Diagnostics$14.99
  • Ford 2013 Enhanced Diagnostics$14.99
  • Ford 2014 Enhanced Diagnostics$14.99
  • Ford 2016 Enhanced Diagnostics$14.99
  • Toyota 1999 Enhanced$14.99
  • Toyota 2007 Enhanced$14.99
  • Toyota 2008 Enhanced$14.99
  • Toyota 2014 Enhanced$14.99
  • Toyota 2016 Enhanced$14.99
  • Ford 2018 Enhanced Diagnostics$14.99
  • Ford 2020 Enhanced$14.99
  • FCA 2011$14.99
  • FCA 2014$14.99
  • FCA 2015$14.99
  • FCA 2017$14.99
  • FCA 2018$14.99
  • FCA 2019$14.99
  • FCA 2020$14.99
  • FCA 2021$14.99
  • Ford 2021 Enhanced$14.99
  • Ford 2022 Enhanced$14.99
  • Ford 2023 Enhanced$14.99
  • Mazda 2012 Enhanced$14.99
  • Toyota 2015 Enhanced$14.99
  • Toyota 2021 Enhanced$14.99
  • Toyota 2020 Enhanced$14.99
  • Ford 2025 Enhanced$14.99
  • Ford 2015 Enhanced Diagnostics$14.99
  • Ford 2024 Enhanced$14.99
  • Ford 2017 Enhanced Diagnostics$14.99
  • Ford 2019 Enhanced Diagnostics$14.99
  • Nissan 2009 Enhanced$14.99
  • Mazda 2020 Enhanced$14.99
  • Nissan 2016 Enhanced$14.99
  • Nissan 2018 Enhanced$14.99
  • Mazda 2015 Enhanced$14.99
  • Toyota 2005 Enhanced$14.99
  • FCA 2022$14.99
  • Toyota 2001 Enhanced$14.99
  • Mazda 2016 Enhanced$14.99
  • Nissan 2017 Enhanced$14.99
  • FCA 2006$14.99
  • Nissan 2015 Enhanced$14.99
  • Nissan 2011 Enhanced$14.99
  • Nissan 2007 Enhanced$14.99
  • Mazda 2004 Enhanced$14.99
  • Ford 2003 Enhanced Diagnostics$14.99
  • Toyota 2002 Enhanced$14.99
  • FCA 2024$14.99
  • Ford 2008 Enhanced Diagnostics$14.99
  • Toyota 2018 Enhanced$14.99
  • Mazda 2013 Enhanced$14.99
  • FCA 2007$14.99
  • Nissan 2013 Enhanced$14.99
  • Ford 2004 Enhanced Diagnostics$14.99
  • FCA 2023$14.99
  • FCA 2016$14.99
  • Toyota 2010 Enhanced$14.99
  • Toyota 2019 Enhanced$14.99
  • Toyota 2011 Enhanced$14.99
  • Toyota 2017 Enhanced$14.99
  • Toyota 2003 Enhanced$14.99
  • Toyota 2012 Enhanced$14.99
  • FCA 2009$14.99
  • Toyota 2006 Enhanced$14.99
  • Toyota 2013 Enhanced$14.99
  • FCA 2012$14.99

Questions

Is OBD Fusion free?
OBD Fusion costs $9.99, and also offers in-app purchases.
Is OBDLink free?
OBDLink is free to download, with in-app purchases available.
Which has better reviews, OBD Fusion or OBDLink?
OBDLink is rated higher. OBD Fusion averages 4.7 out of 5 from 19K ratings, while OBDLink averages 4.8 from 12K ratings.
Do OBD Fusion or OBDLink have ads?
Neither OBD Fusion nor OBDLink shows ads.
Which is updated more often, OBD Fusion or OBDLink?
OBD Fusion ships an update every 2 months, and OBDLink every 2 months. Most recently, OBD Fusion was updated on September 24, 2026 and OBDLink on September 24, 2026.

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