OBD Fusion vs Carbyte
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.
Carbyte
This app enhances a specific car adapter's functionality, allowing users to enable or disable features like DFM and Auto Start/Stop. It also provides the ability to view and clear generic OBD-II and GM-enhanced trouble codes for easier vehicle diagnostics.
- Enable/disable DFM
- Enable/disable Auto Start/Stop
- View OBD-II trouble codes
- Clear OBD-II trouble codes
- View GM-enhanced trouble codes
- Clear GM-enhanced trouble codes
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***The Carbyte app exclusively works with the Carbyte adapter*** Make the most of your Carbyte device by pairing it with the Carbyte app. Carbyte works as a multi-feature disabler in stand-alone mode but pairing it with our app on your iOS device gives you extra features and control. The Carbyte app is easy to use and intuitive, allowing you to use the following features: - Enable and disable the DFM and Auto Start/Stop features - View and clear generic OBD-II and GM-enhanced trouble codes
Screenshots
Verdict
The clearest difference is price: Carbyte at Free against OBD Fusion's $9.99. Carbyte also leads on in-app purchases (none vs 25). OBD Fusion's advantage is ratings volume (20K vs 8) and rating (4.7 vs 4.5). On update cadence, ads and device support 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
Carbyte is free to download; OBD Fusion costs $9.99 up front. OBD Fusion sells 20 one-off in-app purchases. Carbyte asks for nothing beyond the download.
OBD Fusion holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: OBD Fusion has 20K ratings behind it against 8, so its average is the more settled of the two.
OBD Fusion ships an update every 2 months, Carbyte every 5 weeks. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.
| Parameter | OBD Fusion | Carbyte |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.7 (20K ratings) — better | 4.5 (8 ratings) |
| Positive reviews | 59.2% of reviews | — |
| Number of ratings | 20K — better | 8 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #4 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 59 MB | 24 MB |
| Age rating | 17+ | 4+ |
| Developer | OCTech, LLC | OBD Solutions LLC |
Customer experience
OBD Fusion
Carbyte
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
Carbyte
Not enough reviews yet to summarise bugs or requests.
In-app purchases
OBD Fusion
- Ford 2003 Enhanced Diagnostics$14.99
- Ford 2004 Enhanced Diagnostics$14.99
- Ford 2006 Enhanced Diagnostics$14.99
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- 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
Carbyte
No in-app purchases
Questions
Is OBD Fusion free?
Is Carbyte free?
Which has better reviews, OBD Fusion or Carbyte?
Do OBD Fusion or Carbyte have ads?
Which is updated more often, OBD Fusion or Carbyte?
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