Comparison

Open Vehicles vs OBD2 Scanner | OBD Auto Doctor

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

Head to head
About

Open Vehicles

Remotely monitor your electric vehicle's status, including charge level, door and tire pressure, and core system temperatures. View your car's live GPS location on a map. Integrates with charging station data.

Highlights
  • Remote EV monitoring
  • State of Charge (SOC)
  • Door/trunk/hood status
  • Tire Pressure Monitoring System (TPMS)
  • Core system temperatures
  • Live GPS location tracking
  • Charging station integration
Features
Read full description

Brought you by the open-source OVMS project, you can finally remotely monitor your cutting edge Electric Vehicles. The app shows you your current state of charge (SOC), door/trunk/hood status, tire pressures and temperatures (TPMS), core system temperatures (PEM, motor, and ESS/battery), and displays your car's live GPS location on the map. Although separate OVMS hardware is required for remote monitoring your vehicle, you can try out this app and see what it can offer you via the included DEMO car account. Charging station integration and information provided by Zero Carbon World (http://www.zerocarbonworld.org/open-charge-map) and the Open Charge Map project (www.openchargemap.org). Find out more about the OVMS car attachment hardware and the project on our website: http://www.openvehicles.com/.

About

OBD2 Scanner | OBD Auto Doctor

Transform your iPhone into a car diagnostic tool. Read and clear engine trouble codes, monitor live engine data, and check emissions readiness with a compatible OBD2 dongle.

Highlights
  • Read and clear diagnostic trouble codes (DTCs)
  • Monitor live engine data
  • Check emissions readiness
  • View freeze-frame data
  • Create custom sensor dashboards
  • Works with compatible OBD2 dongles
Read full description

Turn your iPhone into a powerful OBD2 car scanner and diagnose your vehicle yourself. Check why your Check Engine Light is on, read and clear diagnostic trouble codes, monitor live engine data, and check emissions readiness — all from your iPhone or iPad with a compatible OBD2 dongle. CHECK YOUR CHECK ENGINE LIGHT Don't guess what's wrong with your car. OBD Auto Doctor reads diagnostic trouble codes from your vehicle and provides detailed information to help you understand what they mean. • Read diagnostic trouble codes (DTCs) • Clear Check Engine Light codes • View detailed code descriptions • Read freeze-frame data MONITOR YOUR CAR IN REAL TIME See what's happening while your engine is running with live OBD2 data. • Engine RPM and vehicle speed • Coolant temperature • Fuel system and fuel trim data • Throttle position • Intake air and engine load • Oxygen sensor data • And many other vehicle parameters Create your own dashboard and choose exactly which sensors you want to monitor. CHECK EMISSIONS READINESS Preparing for an emissions or vehicle inspection? Check your vehicle's readiness monitors and see whether your car's emissions systems have completed their tests. WORKS WITH OBD2 DONGLES Connect OBD Auto Doctor to your vehicle using a compatible Bluetooth, Wi-Fi or Bluetooth Low Energy (BLE) OBD2 dongle. Compatible dongles include many ELM327-based adapters, OBDLink, Vgate, Linker, Veepeak and other compatible OBD2 interfaces. Please note: An OBD2 dongle is required to connect the app to your vehicle. Dongle compatibility and available features depend on your vehicle. MORE THAN JUST A CODE READER OBD Auto Doctor gives you access to the information your car's onboard diagnostic system makes available. • Read vehicle information • Monitor fuel consumption • View and record live sensor data • Read diagnostic trouble codes • Clear diagnostic trouble codes • Check emissions readiness • View freeze-frame data • Monitor vehicle performance Whether you're trying to understand a Check Engine Light, preparing your car for inspection, monitoring your engine, or simply want to know more about your vehicle, OBD Auto Doctor puts professional-style OBD2 diagnostics in your pocket. Download OBD Auto Doctor and start diagnosing your car today. SUBSCRIPTION OBD Auto Doctor offers optional subscriptions that unlock additional features. Terms of Use: https://www.obdautodoctor.com/terms

Screenshots

Open Vehicles4 screens
OBD2 Scanner | OBD Auto Doctor4 screens

Verdict

The call

Open Vehicles and OBD2 Scanner | OBD Auto Doctor both sit at 4.2 stars, but that hides the real split: 74% of Open Vehicles's written reviews are positive against 30% of OBD2 Scanner | OBD Auto Doctor's. Open Vehicles also leads on in-app purchases (none vs 9) and iOS requirement (12.0 vs 17.0). OBD2 Scanner | OBD Auto Doctor's advantage is ratings volume (6.2K vs 14) and update cadence (every 3 weeks vs every 4 months). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OBD2 Scanner | OBD Auto Doctor sells 9 in-app purchases, starting at $4.99 per month. Open Vehicles asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OBD2 Scanner | OBD Auto Doctor holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: OBD2 Scanner | OBD Auto Doctor has 6.2K ratings behind it against 14, so its average is the more settled of the two. Written reviews complicate that: 74% of Open Vehicles's written reviews are positive against 30% of OBD2 Scanner | OBD Auto Doctor's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Open Vehicles ships an update every 4 months, OBD2 Scanner | OBD Auto Doctor every 3 weeks. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
Open Vehicles versus OBD2 Scanner | OBD Auto Doctor: the parameters behind the verdict, then further details
ParameterOpen VehiclesOBD2 Scanner | OBD Auto Doctor
PriceFreeFree
Rating4.2 (14 ratings)4.4 (6.2K ratings) — better
Positive reviews73.7% of reviews — better30.4% of reviews
Number of ratings146.2K — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size50 MB19 MB
Age rating4+4+
DeveloperNetwork Box CorporationCreosys

Customer experience

Open Vehicles

All ratings12 ratings
Positive75.0%
Neutral16.7%
Negative8.3%
Written reviews19 reviews
Positive73.7%
Neutral10.5%
Negative15.8%

OBD2 Scanner | OBD Auto Doctor

All ratings6,230 ratings
Positive84.4%
Neutral4.1%
Negative11.4%
Written reviews578 reviews
Positive30.4%
Neutral8.3%
Negative61.2%

Bugs and requests

Open Vehicles

Not enough reviews yet to summarise bugs or requests.

OBD2 Scanner | OBD Auto Doctor

Reported bugs

4 issues
  • App crashes on launch
  • Fails to detect existing fault codes
  • Subscription issues and inability to cancel
  • Incompatible with certain OBD2 adapters

Requested features

6 requests
  • Add support for more vehicle makes and models
  • Improve Bluetooth/WiFi connectivity
  • Provide more detailed diagnostic information
  • Allow clearing of error codes without subscription
  • Add live data dashboards and graphs
Show 1 more
  • Integrate with vehicle maintenance scheduling

In-app purchases

None

Open Vehicles

No in-app purchases

9 purchases

OBD2 Scanner | OBD Auto Doctor

Subscriptions8
  • Monthly (legacy)$4.991 Month
  • Personal, monthly$4.991 Month
  • Premium, monthly$5.991 Month
Show 5 more
  • Professional, monthly$6.991 Month
  • Yearly (legacy)$23.991 Year
  • Personal, yearly$23.991 Year
  • Professional, yearly$29.991 Year
  • Premium, annual3 Days trial$29.991 Year
One-time1
  • OBD Auto Doctor Pro (legacy)$29.99

Questions

Is Open Vehicles free?
Open Vehicles is free to download, with no in-app purchases.
Is OBD2 Scanner | OBD Auto Doctor free?
OBD2 Scanner | OBD Auto Doctor is free to download, with in-app purchases available.
Which has better reviews, Open Vehicles or OBD2 Scanner | OBD Auto Doctor?
OBD2 Scanner | OBD Auto Doctor is rated higher. Open Vehicles averages 4.2 out of 5 from 14 ratings, while OBD2 Scanner | OBD Auto Doctor averages 4.4 from 6.2K ratings.
Do Open Vehicles or OBD2 Scanner | OBD Auto Doctor have ads?
Neither Open Vehicles nor OBD2 Scanner | OBD Auto Doctor shows ads.
Which is updated more often, Open Vehicles or OBD2 Scanner | OBD Auto Doctor?
Open Vehicles ships an update every 4 months, and OBD2 Scanner | OBD Auto Doctor every 3 weeks. Most recently, Open Vehicles was updated on November 1, 2026 and OBD2 Scanner | OBD Auto Doctor on November 9, 2026.

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