OBD Fusion vs OBDLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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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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.
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.
- 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
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***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
Verdict
The clearest difference is price: OBDLink at Free against OBD Fusion's $9.99. OBDLink also leads on iOS requirement (15.0 vs 17.0). OBD Fusion's advantage is chart position (#2 vs #196). 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
OBDLink is free to download; OBD Fusion costs $9.99 up front. OBD Fusion sells 10 one-off in-app purchases and OBDLink sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
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 — 20K and 13K respectively. Written reviews are what separate them: 59% of OBD Fusion's written reviews are positive against 62% of OBDLink's.
Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 15, 2026.
| Parameter | OBD Fusion | OBDLink |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.7 (20K ratings) | 4.8 (13K ratings) — better |
| Positive reviews | 58.9% of reviews | 61.7% of reviews — better |
| Number of ratings | 20K — better | 13K |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #2 — better | #196 |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 97 MB | 65 MB |
| Age rating | 17+ | 17+ |
| Developer | OCTech, LLC | OBD Solutions LLC |
Customer experience
OBD Fusion
OBDLink
User reviews
OBD Fusion
From 20K App Store ratingsWhat 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 13K App Store ratingsWhat 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
OBD Fusion
- Ford 2006 Enhanced Diagnostics$14.99
- Toyota 2005 Enhanced Diagnostics$14.99
- Toyota 2019 Enhanced$14.99
Show 7 moreShow fewer
- 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 2016 Enhanced Diagnostics$14.99
- Toyota 2017 Enhanced Diagnostics$14.99
- Toyota 2021 Enhanced$14.99
OBDLink
- Ford 2016 Enhanced Diagnostics$14.99
- Toyota 2007 Enhanced$14.99
- Toyota 2008 Enhanced$14.99
Show 7 moreShow fewer
- Ford 2018 Enhanced Diagnostics$14.99
- Ford 2022 Enhanced$14.99
- Ford 2023 Enhanced$14.99
- Ford 2015 Enhanced Diagnostics$14.99
- Ford 2024 Enhanced$14.99
- Ford 2017 Enhanced Diagnostics$14.99
- Toyota 2011 Enhanced$14.99






