OBD Fusion: iPhone vs Android
OBD Fusion gets 100+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
OBD Fusion by OCTech, LLC is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Communication PaidOBD Fusion at a glance
AI summary written from our chart and store data, 2026-10-21. It can be wrong: check the numbers above.
OBD Fusion is a paid diagnostic tool for iPhone and iPad that enables mechanics and vehicle owners to read OBD2 data, clear check engine lights, and monitor fuel economy using compatible Bluetooth or Wi-Fi adapters. The app maintains strong visibility in the Travel category across diverse markets, ranking as high as #2 in Brazil and #4 in South Africa, indicating consistent global demand for automotive diagnostics tools.
Similar apps: Torque Pro, BlueDriver, Car Scanner ELM OBD2
App Store
App details
App privacy Measured
OBD Fusion’s App Store privacy label declares 0 data categories used to track you across other companies’ apps and websites, 0 linked to your identity and 4 collected anonymously.
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
Google Play
App details
OBD Fusion downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 100+ | 1M+ |
| Google Play | 10+ | 100k+ Measured |
| Total | 100+ Confidence | 1M+ Confidence |
How this is calculated
Where OBD Fusion's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How OBD Fusion makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | Toyota 2021 Enhanced | |
| 2 | Toyota 2007 Enhanced Diagnostics | |
| 3 | Toyota 2006 Enhanced Diagnostics | |
| 4 | Toyota 2008 Enhanced Diagnostics | |
| 5 | Ford 2006 Enhanced Diagnostics | |
| 6 | Toyota 2010 Enhanced Diagnostics | |
| 7 | Toyota 2005 Enhanced Diagnostics | |
| 8 | Toyota 2017 Enhanced Diagnostics | |
| 9 | Toyota 2018 Enhanced | |
| 10 | Ford 2005 Enhanced Diagnostics |
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.7 ★ | 20k |
| Google Play | 3.7 ★ | 3.3k 566 written reviews |
| Both stores | 4.6 ★ weighted by ratings | 23k |
What users say about OBD Fusion
From the 51 most recent App Store reviews in the US.
Users appreciate the app's deep diagnostic capabilities and long-term support but are frustrated by outdated UI, inconsistent iOS connectivity, and hidden costs for manufacturer-specific PIDs. The primary complaint centers on CarPlay integration being limited to text lists rather than customizable gauges, which many consider a dealbreaker.
Mixed (47% of recent reviews give 4–5 stars). People like it for being easy to use, and being useful. The main complaints are about missing features or content, and price and subscriptions.
What people like
- Ease of use: “Great and easy to use very satisfied”
- Useful: “Works great, wish there alarms”
- Price & subscription: “If you want to ever see your tranny temp again you have to pay $14.99 more!”
- Speed & performance: “The lag when viewing live data is seemingly getting less and less”
Common complaints
- Features & content: “Missing promised features”
- Price & subscription: “Charged 9.99 without consent”
- Useful: “Works great on android but very fussy on iPhone so it’s unusable to me”
- Speed & performance: “Extremely slow can not get accurate information”
About OBD Fusion
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 suppo
OBD Fusion iPhone
OBD Fusion gets 100+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
OBD Fusion is #4 in Travel Paid in United States and charting in 17 of 30 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
24 Sep 2026 Travel PaidOBD Fusion at a glance
AI summary written from our chart and store data, 2026-10-21. It can be wrong: check the numbers above.
OBD Fusion is a paid diagnostic tool for iPhone and iPad that enables mechanics and vehicle owners to read OBD2 data, clear check engine lights, and monitor fuel economy using compatible Bluetooth or Wi-Fi adapters. The app maintains strong visibility in the Travel category across diverse markets, ranking as high as #2 in Brazil and #4 in South Africa, indicating consistent global demand for automotive diagnostics tools.
Similar apps: Torque Pro, BlueDriver, Car Scanner ELM OBD2
OBD Fusion on the App Store
App details
App privacy Measured
OBD Fusion’s App Store privacy label declares 0 data categories used to track you across other companies’ apps and websites, 0 linked to your identity and 4 collected anonymously.
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
OBD Fusion downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where OBD Fusion's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend in OBD Fusion before Apple and Google take their fee.
How this is calculated
Business model: In-app purchase-led
How OBD Fusion makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | Toyota 2021 Enhanced | |
| 2 | Toyota 2007 Enhanced Diagnostics | |
| 3 | Toyota 2006 Enhanced Diagnostics | |
| 4 | Toyota 2008 Enhanced Diagnostics | |
| 5 | Ford 2006 Enhanced Diagnostics | |
| 6 | Toyota 2010 Enhanced Diagnostics | |
| 7 | Toyota 2005 Enhanced Diagnostics | |
| 8 | Toyota 2017 Enhanced Diagnostics | |
| 9 | Toyota 2018 Enhanced | |
| 10 | Ford 2005 Enhanced Diagnostics |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | TravelPaid | #4 |
 United Kingdom | TravelPaid | #8 |
| United States | TravelGrossing | #53 |
 Canada | TravelPaid | #6 |
 China | TravelPaid | #21 |
 Italy | TravelPaid | #5 |
| Australia | TravelPaid | #8 |
 Japan | TravelPaid | #33 |
 Saudi Arabia | TravelPaid | #6 |
 United Arab Emirates | TravelPaid | #5 |
 Brazil | TravelPaid | #15 |
 South Korea | TravelPaid | #32 |
 France | TravelPaid | #27 |
 India | TravelPaid | #24 |
| Australia | TravelGrossing | #55 |
 Indonesia | TravelPaid | #17 |
 Germany | TravelPaid | #55 |
| Canada | TravelGrossing | #71 |
 Russia | TravelPaid | #30 |
| United Arab Emirates | TravelGrossing | #85 |
| United Arab Emirates | All AppsPaid | #188 |
 Malaysia | All AppsPaid | #178 |
Apps near OBD Fusion on the chart
Travel Paid, around #4.
Ratings
App Store, worldwide.
What users say about OBD Fusion
From the 51 most recent App Store reviews in the US.
Users appreciate the app's deep diagnostic capabilities and long-term support but are frustrated by outdated UI, inconsistent iOS connectivity, and hidden costs for manufacturer-specific PIDs. The primary complaint centers on CarPlay integration being limited to text lists rather than customizable gauges, which many consider a dealbreaker.
Mixed (47% of recent reviews give 4–5 stars). People like it for being easy to use, and being useful. The main complaints are about missing features or content, and price and subscriptions.
What people like
- Ease of use: “Great and easy to use very satisfied”
- Useful: “Works great, wish there alarms”
- Price & subscription: “If you want to ever see your tranny temp again you have to pay $14.99 more!”
- Speed & performance: “The lag when viewing live data is seemingly getting less and less”
Common complaints
- Features & content: “Missing promised features”
- Price & subscription: “Charged 9.99 without consent”
- Useful: “Works great on android but very fussy on iPhone so it’s unusable to me”
- Speed & performance: “Extremely slow can not get accurate information”
About OBD Fusion
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 suppo
Latest updates
OBD Fusion (Car Diagnostics) Android
OBD Fusion (Car Diagnostics) gets 100+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
OBD Fusion (Car Diagnostics) is #2 in Communication Paid on Google Play in United States and charting in 10 of 23 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
Communication PaidOBD Fusion (Car Diagnostics) at a glance
AI summary written from our chart and store data, 2026-10-22. It can be wrong: check the numbers above.
OBD Fusion is a paid vehicle diagnostics application that enables mechanics and DIY enthusiasts to read OBD-II data, clear error codes, and monitor real-time sensor metrics via compatible ELM327 adapters. The app maintains strong visibility in the Communication category across multiple international markets, ranking #2 in the US and consistently placing within the top 5 in regions like Mexico, Saudi Arabia, Turkey, and India.
Similar apps: Torque Pro, Car Scanner ELM OBD2, BlueDriver
OBD Fusion (Car Diagnostics) on Google Play
App details
OBD Fusion (Car Diagnostics) downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where OBD Fusion (Car Diagnostics)'s downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
On Android app stores
The same app (OCTech.Mobile.Applications.TouchScan) on every Android store we track. Known Android installs: at least 101k (Google Play band + AppGallery count).
| Store | Installs | Rating | Version | |
|---|---|---|---|---|
| Google Play | 100,000+ | ★ 3.7 (3.3k) | 7.4.0 | Open ↗ |
| Huawei AppGallery | 1k | – | 5.4.0 | Open ↗ |
Active users
All platforms, worldwide. Free with an account.
How this is calculated
In-app revenue
Worldwide, what users spend in OBD Fusion (Car Diagnostics) before Apple and Google take their fee.
How this is calculated
Business model: In-app purchase-led
How OBD Fusion (Car Diagnostics) makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | Toyota 2021 Enhanced | |
| 2 | Toyota 2007 Enhanced Diagnostics | |
| 3 | Toyota 2006 Enhanced Diagnostics | |
| 4 | Toyota 2008 Enhanced Diagnostics | |
| 5 | Ford 2006 Enhanced Diagnostics | |
| 6 | Toyota 2010 Enhanced Diagnostics | |
| 7 | Toyota 2005 Enhanced Diagnostics | |
| 8 | Toyota 2017 Enhanced Diagnostics | |
| 9 | Toyota 2018 Enhanced | |
| 10 | Ford 2005 Enhanced Diagnostics |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | CommunicationPaid | #2 |
| United States | All AppsPaid | #77 |
| India | CommunicationPaid | #6 |
 Mexico | CommunicationPaid | #5 |
| Indonesia | CommunicationPaid | #5 |
| Saudi Arabia | CommunicationPaid | #5 |
| United States | CommunicationGrossing | #111 |
 Turkey | CommunicationPaid | #5 |
| United Arab Emirates | CommunicationPaid | #6 |
 Netherlands | CommunicationPaid | #6 |
 Thailand | CommunicationPaid | #5 |
 Vietnam | CommunicationPaid | #5 |
| Netherlands | CommunicationGrossing | #177 |
| United Arab Emirates | CommunicationGrossing | #190 |
| Thailand | CommunicationGrossing | #178 |
| Vietnam | CommunicationGrossing | #170 |
Apps near OBD Fusion (Car Diagnostics) on the chart
Communication Paid, around #2.
Ratings
Google Play, worldwide.
What users say about OBD Fusion (Car Diagnostics)
From the 106 most recent Google Play reviews in the US.
Users appreciate the app's ability to monitor specific vehicle data and lack of ads, but many report critical failures in connecting to OBD2 dongles or reading data for newer or hybrid vehicles. Complaints focus heavily on unexpected paywalls for essential features, refund difficulties, and stability issues like spontaneous disconnections during long drives.
Mixed but leaning positive (63% of recent reviews give 4–5 stars). People like it for being useful, and its features and content. The main complaints are about price and subscriptions, and connection and sync problems.
What people like
- Useful: “I would very much recommend”
- Features & content: “it's pretty decent app features”
- Connection & sync: “I used the wifi connection”
- Price & subscription: “The best part is that it's not subscription based”
Common complaints
- Price & subscription: “complete waste of my money”
- Connection & sync: “Unable to connect or scan OBDII info”
- Features & content: “This used to be the best OBD tool”
- Crashes & bugs: “Next day stopped working!”
About OBD Fusion (Car Diagnostics)
Is your check engine light on? Do you want to monitor fuel economy and usage in your vehicle? Do you want cool looking gauges on your Android phone or tablet? If so, then OBD Fusion is the app for you!
OBD Fusion is a vehicle diagnostics tool that connects to OBD-II and EOBD vehicles. Not sure if your vehicle is OBD-2, EOBD or JOBD 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 works with some JOBD compliant vehicles and in some cases requires modifications to the connection settings in the app. Please contact us for more information.
You must have a compatible scan tool to use this software. For recommended scan tools, see our website https://www.obdsoftware.net/software/obdfusion. Please note that cheap ELM clone adapters can be unreliable. OBD Fusion can connect to any ELM 327 compatible adapter, but the cheap clone adapters tend to have slow refresh rates and might disconnect randomly.
OBD Fusion for Android is brought to you by OCTech, LLC, the developers of TouchScan and OBDwiz for Windows and OBDLink for Android. Now you can get the same great features for your phone or tablet.
OBD Fusion has the following features:
• Android Auto support. Note that Android Auto does not support dashboard gauges.
• Read and clear diagnostic trouble codes and your Check Engine Light (MIL/CEL)
• Real-time dashboard display
• Real-time graphing
• Fuel economy MPG, MPG (UK), l/100km or km/l calculation
• Create custom enhanced PIDs
• Includes some built-in enhanced PIDs for GM vehicles including engine misfires, transmission temp, and oil temp.
• Multiple trip meters for tracking fuel economy, fuel usage, EV energy economy, and distance
• Customizable dashboards with fast dashboard switching
• Log data to CSV format and export for viewing in any spreadsheet application
• Display battery voltage
• Display Engine Torque, Engine Power, Turbo Boost pressure, and air-to-fuel (A/F) ratio (vehicle must support the required PIDs)
• Read freeze frame data
• English, Imperial, and Metric units that are fully customizable
• Over 250 supported PIDs
• Displays vehicle information including VIN number and calibration ID
• Emissions readiness for each US state
• Oxygen Sensor Results (Mode $05)
• On-board Monitoring Tests (Mode $06)
• In-performance Track
What's new in 7.4.0
- Added some additional Manufacturer PIDs for GM vehicles.
- Made improvements to the Trip Statistics page.
- Multiple bug fixes and improvements.
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