Comparison

OBD2 Scanner | OBD Auto Doctor vs ThinkDriver

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

ThinkDriver

This diagnostic tool allows car owners to perform full system vehicle checks, going beyond standard OBDII functionality. It provides immediate insights into potential car issues, acting as a comprehensive helper for vehicle maintenance.

Highlights
  • Full system vehicle diagnostics
  • Advanced OBDII alternative
  • Immediate issue detection
  • DIY car maintenance helper
Features
Read full description

THINKDRIVER, a DIY diagnostic product, which is extremely close to professional diagnostic tools, goodbye to normal OBDII dongle. THINKDRIVER can let all car owners to test the full system of the vehicle, much more than the OBDII. Now, THINKDRIVER will be the best helper for every car owner! This is the ultimate car diagnostic connector that allows you to easily and immediately know whether you should be aware of any issues with your car.

Screenshots

OBD2 Scanner | OBD Auto Doctor4 screens
ThinkDriver2 screens

Verdict

The call

The clearest difference is in-app purchases: ThinkDriver at none against OBD2 Scanner | OBD Auto Doctor's 9. ThinkDriver also leads on review sentiment (58% vs 30%) and iOS requirement (9.0 vs 17.0). OBD2 Scanner | OBD Auto Doctor's advantage is ratings volume (6.2K vs 270). On price, rating, update cadence and ads 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. ThinkDriver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for OBD2 Scanner | OBD Auto Doctor against 4.5 for ThinkDriver. That said, the two scores are not equally well evidenced: OBD2 Scanner | OBD Auto Doctor has 6.2K ratings behind it against 270, so its average is the more settled of the two. Written reviews are what separate them: 30% of OBD2 Scanner | OBD Auto Doctor's written reviews are positive against 58% of ThinkDriver's.

UpkeepUpdate frequency

OBD2 Scanner | OBD Auto Doctor ships an update every 4 weeks, ThinkDriver monthly. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

Scorecard5 real differences · 5 level
OBD2 Scanner | OBD Auto Doctor versus ThinkDriver: the parameters behind the verdict, then further details
ParameterOBD2 Scanner | OBD Auto DoctorThinkDriver
PriceFreeFree
Rating4.4 (6.2K ratings)4.5 (270 ratings) — better
Positive reviews30.3% of reviews57.6% of reviews — better
Number of ratings6.2K — better270
Update frequencyEvery 4 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.09.0 — better
Further details — not scored
Size19 MB325 MB
Age rating4+17+
DeveloperCreosysTHINKCAR INC

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%

ThinkDriver

All ratings270 ratings
Positive86.7%
Neutral4.8%
Negative8.5%
Written reviews33 reviews
Positive57.6%
Neutral0.0%
Negative42.4%

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

ThinkDriver

From 270 App Store ratings

What we love

  • 👍 Works like professionals
  • 👍 Handy tool for car
  • 👍 Versatile and helpful
  • 👍 Great tools for car
  • 👍 Easy to use

Room to improve

  • 😞 Pay again for lifetime access
  • 😞 Terrible support, no response
  • 😞 Useless device, keeps shutting down
  • 😞 Scanner does not work
  • 😞 Customer service unhelpful

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

ThinkDriver

Reported bugs

10 issues
  • Keeps shutting down during scan
  • Scanner does not work
  • Not working with 2022 subscription update
  • Device won't work after getting a new phone
  • Keeps asking to activate device, then pay again
Show 5 more
  • Doesn't recognize older cars (pre-2014)
  • App ALWAYS crashes
  • Machine doesn't read VIN
  • App falls when needing special functions
  • Doesn't work when VIN manual entry fails

Requested features

2 requests
  • Add payment with Apple Cash
  • Install just a code scanner icon

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

ThinkDriver

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 ThinkDriver free?
ThinkDriver is free to download, with no in-app purchases.
Which has better reviews, OBD2 Scanner | OBD Auto Doctor or ThinkDriver?
ThinkDriver is rated higher. OBD2 Scanner | OBD Auto Doctor averages 4.4 out of 5 from 6.2K ratings, while ThinkDriver averages 4.5 from 270 ratings.
Do OBD2 Scanner | OBD Auto Doctor or ThinkDriver have ads?
Neither OBD2 Scanner | OBD Auto Doctor nor ThinkDriver shows ads.
Which is updated more often, OBD2 Scanner | OBD Auto Doctor or ThinkDriver?
OBD2 Scanner | OBD Auto Doctor ships an update every 4 weeks, and ThinkDriver monthly. Most recently, OBD2 Scanner | OBD Auto Doctor was updated on September 23, 2026 and ThinkDriver on September 19, 2026.

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