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OBD Fusion app icon#7in Car Diagnostics

OBD Fusion

Car Diagnostics · $9.99 + IAP
S Tier
Best in class · #7 of 18
90
4.7★19.5K ratings
$9.99 + IAPprice
3mosince update

What is OBD Fusion?

OBD Fusion is an app that reads OBD2 vehicle data on an iPhone or iPad. It can read and clear trouble codes, create custom gauge dashboards, log and graph data, and estimate fuel economy. It requires a Wi-Fi ELM327 compatible or compatible Bluetooth LE adapter, and it is not compatible with generic ELM Bluetooth scan tools.

Pricing. OBD Fusion is $9.99 to download, with in-app purchases on the App Store.

Good for

  • Clearing a check engine light and reading diagnostic trouble codes
  • Monitoring fuel economy and daily driving habits
  • Building custom real-time gauge dashboards for a car

Screenshots

1 / 8

Why this app is in S tier

OBD Fusion scores 90 out of 100: rating 94, rating count 84, App Store search rank 87, update recency 94. The four parts are averaged with no weights, and S tier follows from that score within this list. The full explanation, as data.

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 vehicl

Compare in Car Diagnostics

MeasureOBD FusionCarista OBD2OBD2 Scanner
TierSSA
Score90 / 10090 / 10089 / 100
Rating4.7 ★4.6 ★4.4 ★
Ratings19.5K4.2K6.2K
Latest ratings · 180d3.2 ★ · 16 reviews—1.6 ★ · 11 reviews
Last update97d ago2d ago11d ago
Price$9.99 + IAPFree downloadFree + IAP

Alternatives

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  1. Car Scanner ELM OBD2Free + IAP · ★ 4.8S
  2. CarlyFree download · ★ 4.6S
  3. OBD2 Car ScannerFree download · ★ 4.6S

Questions about OBD Fusion

Do I need an adapter to use OBD Fusion?

Yes. You must have a Wi-Fi ELM327 compatible adapter or a compatible Bluetooth LE adapter. Examples named include Veepeak BLE, OBDLink MX+, OBDLink CX and Kiwi 3/4. Generic ELM Bluetooth scan tools are not compatible.

Does it work with electric vehicles?

The listing says EVs are not required to have OBD2 diagnostics because they are emissions exempt. Users interested in an EV should contact the developer first to ask about support.

Can I see gauges on CarPlay?

You can view vital driving information on CarPlay, but the listing says real-time gauges are not supported by CarPlay, so dashboard pages cannot be shown there.

Is OBD Fusion free?

No. OBD Fusion is $9.99 to download, with in-app purchases.

What is OBD Fusion good for?

OBD Fusion is built for clearing a check engine light and reading diagnostic trouble codes, monitoring fuel economy and daily driving habits, building custom real-time gauge dashboards for a car. It sits in the car diagnostics list on AppTierList.

Is OBD Fusion worth it?

OBD Fusion is S tier, ranked #7 of 18 car diagnostic apps with a score of 90 out of 100, from a 4.7 App Store rating across 19,543 ratings. It is in the list's top tiers; 6 apps rank above it.

How does OBD Fusion compare to Carista OBD2?

OBD Fusion is S tier at 90; Carista OBD2 is S tier at 90. They score the same. OBD Fusion is $9.99 to download, with in-app purchases, Carista OBD2 is free to download.

How often is OBD Fusion updated?

OBD Fusion was last updated on 2026-07-16, 97 days ago.

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All the facts

List
Car Diagnostics
Tier
S (Best in class)
Score
90 / 100
Rank in list
#7 of 18
Ranking certainty
settled
Price
$9.99 + IAP (USD)
App Store rating
4.7 out of 5
Number of ratings
19,543
Recent reviews
3.2 from 16 in the last 180 days
Current version
(97 days ago)
App Store data read
App Store category
Travel
Good for
Clearing a check engine light and reading diagnostic trouble codes, Monitoring fuel economy and daily driving habits, Building custom real-time gauge dashboards for a car
Requires
iOS 15.0 or later
Size
59 MB
Age rating
17+
Languages
9
Developer pages
Website · Support · Privacy policy
Maker
unclaimed
As data
JSON · why it ranks here

Ranking refreshed · how it is computed