Comparison

OBD2 Scanner | OBD Auto Doctor vs OBD2 Trouble Code

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

Head to head
About

OBD2 Scanner | OBD Auto Doctor

Diagnose your car's engine light issues and monitor real-time performance data. This app allows you to read and clear diagnostic trouble codes, track fuel consumption, and view sensor data. It's a comprehensive tool for understanding your vehicle's health.

Highlights
  • Read and clear OBD2 diagnostic trouble codes (DTC)
  • Reset Check Engine Light
  • Monitor real-time vehicle data and sensor readings
  • Track fuel consumption
  • Read readiness monitor status for emissions testing
  • Initiate service routines
  • Send diagnostic data via email
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

About

OBD2 Trouble Code

Instantly look up your car's check engine codes on the go. Access a vast database of OBD2 codes with descriptions and potential causes for all major manufacturers. Save your search history for quick reference.

Highlights
  • OBD2 code lookup
  • Check engine code descriptions
  • Possible cause identification
  • All major manufacturers supported
  • Search history
  • Save results
Features
Read full description

OBD2 Code Guide app to look up your car check engine code on the go, powered by the web's largest database of OBD2 code library. Get the description and the possible cause of the check engine code by searching for the code for all of the major manufacturers and now with quick access to your search history and save results to for use at a later date.

Screenshots

OBD2 Scanner | OBD Auto Doctor4 screens
OBD2 Trouble Code4 screens

Verdict

The call

The clearest difference is rating: OBD2 Scanner | OBD Auto Doctor at 4.4 against OBD2 Trouble Code's 3.3. OBD2 Scanner | OBD Auto Doctor also leads on ratings volume (6.2K vs 306). OBD2 Trouble Code's advantage is in-app purchases (none vs 9) and iOS requirement (10.0 vs 17.0). On price, review sentiment, 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. OBD2 Trouble Code 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 3.3. That said, the two scores are not equally well evidenced: OBD2 Scanner | OBD Auto Doctor has 6.2K ratings behind it against 306, so its average is the more settled of the two. Written reviews complicate that: 30% of OBD2 Scanner | OBD Auto Doctor's written reviews are positive against 37% of OBD2 Trouble Code's, so the app with the better star average is not the one people write more warmly about.

Scorecard5 real differences · 5 level
OBD2 Scanner | OBD Auto Doctor versus OBD2 Trouble Code: the parameters behind the verdict, then further details
ParameterOBD2 Scanner | OBD Auto DoctorOBD2 Trouble Code
PriceFreeFree
Rating4.4 (6.2K ratings) — better3.3 (306 ratings)
Positive reviews30.3% of reviews37.0% of reviews — better
Number of ratings6.2K — better306
Update frequencyEvery 4 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.010.0 — better
Further details — not scored
Size19 MB24 MB
Age rating4+4+
DeveloperCreosysHassan Benessafi

Customer experience

OBD2 Scanner | OBD Auto Doctor

All ratings6,181 ratings
Positive84.4%
Neutral4.1%
Negative11.4%
Written reviews575 reviews
Positive30.3%
Neutral8.3%
Negative61.4%

OBD2 Trouble Code

All ratings306 ratings
Positive47.7%
Neutral24.5%
Negative27.8%
Written reviews73 reviews
Positive37.0%
Neutral13.7%
Negative49.3%

User reviews

OBD2 Scanner | OBD Auto Doctor

From 6.2K App Store ratings

What we love

  • 🚀 Works great
  • 👍 Easy to use
  • 🚀 Accurate diagnostics
  • 🚀 Extensive adapter support
  • 👍 Helpful for DIY mechanics

Room to improve

  • 🔒 Requires subscription for full functionality
  • 🐛 Connection issues
  • 🐛 Inconsistent performance
  • 🐛 Doesn't work with all vehicles
  • 💰 Expensive subscription

OBD2 Trouble Code

From 306 App Store ratings

What we love

  • 📚 Comprehensive OBD code database
  • 👍 Easy to navigate interface
  • 💡 Helpful for understanding car diagnostic codes
  • ⚡ Useful for mechanical troubleshooting

Room to improve

  • 😤 Forced review requirement before app usage
  • 📺 Excessive ads throughout the app
  • 🔋 High battery consumption
  • 🚫 App won't function without review completion
  • ⚠️ Misleading review-gating mechanism

Bugs and 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

OBD2 Trouble Code

Reported bugs

6 issues
  • App crashes or won't open without review
  • Ads prevent normal app usage
  • More info button doesn't expand for some codes
  • Incompatibility with certain vehicle models
  • Mislabeled codes (P0450-P0459)
Show 1 more
  • Connection issues with some OBD readers

Requested features

5 requests
  • More detailed code explanations
  • Offline functionality
  • Better navigation for new users
  • Support for codes without letter prefixes
  • Expanded information sections for specific codes

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
None

OBD2 Trouble Code

No in-app purchases

Questions

Is OBD2 Scanner | OBD Auto Doctor free?
OBD2 Scanner | OBD Auto Doctor is free to download, with in-app purchases available.
Is OBD2 Trouble Code free?
OBD2 Trouble Code is free to download, with no in-app purchases.
Which has better reviews, OBD2 Scanner | OBD Auto Doctor or OBD2 Trouble Code?
OBD2 Scanner | OBD Auto Doctor is rated higher. OBD2 Scanner | OBD Auto Doctor averages 4.4 out of 5 from 6.2K ratings, while OBD2 Trouble Code averages 3.3 from 306 ratings.
Do OBD2 Scanner | OBD Auto Doctor or OBD2 Trouble Code have ads?
Neither OBD2 Scanner | OBD Auto Doctor nor OBD2 Trouble Code shows ads.

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