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Best Obd2 Diagnostic Apps Like Thinkdiag

248+ iOS apps curated and reviewed

3.5 avg rating
20 free apps
Updated September 2026

Looking for free obd2 diagnostic apps like thinkdiag? 20 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Obd2 Diagnostic Apps Like Thinkdiag (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ThinkDiag+ThinkDiag+Free4.5★ (4.3K)NoNoSep 2026
2ThinkCar proThinkCar proFree4.6★ (323)NoNoSep 2026
3BlueDriver OBD2 Scan ToolBlueDriver OBD2 Scan ToolFree4.6★ (14K)NoNoSep 2026
4Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesSep 2026
5MotorData OBD ELM car scannerMotorData OBD ELM car scannerFree4.6★ (48)NoYesAug 2026
6DriveSense: OBD2 Car ScannerDriveSense: OBD2 Car ScannerFree—NoNoJul 2026
7JFIND OBDJFIND OBDFree—NoNoMay 2026
8OBD2UDS - Car Diagnostic ProOBD2UDS - Car Diagnostic ProFree—NoYesJul 2026

Top Picks for Obd2 Diagnostic Apps Like Thinkdiag

ThinkDiag+#1

ThinkDiag+ by THINKCAR INC

Editor's Choice
🔧 Utilities
4.5😊(4.3K ratings)
Free
ThinkDiag+ screenshot 1
ThinkDiag+ screenshot 2
ThinkDiag+ screenshot 3
ThinkDiag+ screenshot 4
ThinkDiag+ screenshot 5

This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.

What We Love

  • 🚀 Easy to use
  • 🚀 Powerful diagnostic capabilities
  • 🚀 Affordable price
  • 🚀 Helpful customer support
  • 🚀 Versatile for DIY and professionals
  • 🚀 Reliable and accurate
  • 🚀 Extensive vehicle coverage

Room to Improve

  • 🐛 Occasional crashes or freezes
  • 🐛 Compatibility issues with certain vehicles
  • 🔒 Concerns about annual subscription fees
  • 🔒 Limited functionality on iOS devices
ThinkCar pro#2

ThinkCar pro by THINKCAR INC

Strong Contender
🔧 Utilities
4.6😐(323 ratings)
Free
ThinkCar pro screenshot 1
ThinkCar pro screenshot 2

This app provides professional-level vehicle diagnostics, including reading and clearing fault codes, accessing data streams, and performing special functions. It supports a wide range of car manufacturers and offers features like automatic VIN reading and report generation. Connect with other users in the community for support.

What We Love

  • 👍 Easy to use interface
  • 🔍 Effective diagnostic scanning capabilities
  • 💰 Good value for price
  • 🌍 Works with multiple car brands
  • 📱 Convenient mobile app solution
  • 🛠️ Helpful for identifying car issues
  • ⚡ Quick problem detection

Room to Improve

  • 🐛 Frequent app crashes and bugs
  • ❌ Poor customer support
  • 🔒 Limited vehicle model support
  • 💸 Hidden costs and subscription fees
  • 📊 Single parameter graphing limitation
  • 🚫 Compatibility issues with newer vehicles
  • ⚠️ Device hardware compatibility problems
  • 🔄 Unreliable after updates
  • 🎯 Incomplete feature support for some cars
BlueDriver OBD2 Scan Tool#3

BlueDriver OBD2 Scan Tool by Lemur Vehicle Monitors

Fear No Fix™
Worth Considering
📊 Productivity
4.6😊(14K ratings)
Free
BlueDriver OBD2 Scan Tool screenshot 1
BlueDriver OBD2 Scan Tool screenshot 2
BlueDriver OBD2 Scan Tool screenshot 3
BlueDriver OBD2 Scan Tool screenshot 4
BlueDriver OBD2 Scan Tool screenshot 5

This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.

What We Love

  • 👍 Easy to use
  • 🚀 Excellent diagnostic capabilities
  • 💰 Great value for money
  • 🔍 Detailed fault code information
  • 📚 Helpful repair suggestions
  • 🔌 Convenient Bluetooth connectivity
  • 🔁 Seamless updates
  • 🧠 Useful for DIY repairs
  • 🛠️ Saves money on mechanic fees
  • 🔍 Comprehensive vehicle diagnostics

Room to Improve

  • 🐛 Occasional Bluetooth connectivity issues
  • ⚠️ Limited support for some vehicle makes/models
  • 🚫 Cannot read odometer information
  • 🚫 Lack of advanced features for professional mechanics
  • 🚫 No support for European vehicle VINs
  • 🚫 Inability to read certain fault codes (e.g., airbag)
  • 🚫 Doesn't work with older iOS versions

More Obd2 Diagnostic Apps Like Thinkdiag apps to explore

FAQ about Obd2 Diagnostic Apps Like Thinkdiag

What are the best obd2 diagnostic apps like thinkdiag for iPhone?
ThinkDiag+ tops our obd2 diagnostic apps like thinkdiag ranking as of September 2026, with a 4.5-star average from 4.3K App Store ratings, and it's free to download.
Yes — 20 of the top obd2 diagnostic apps like thinkdiag we rank are free to download, including ThinkDiag+ and ThinkCar pro.
ThinkDiag+ has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 248+ obd2 diagnostic apps like thinkdiag on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The app provides OE-level diagnostic functions, including reading and clearing fault codes, analyzing data flow, reading ECU information, performing drive tests, and executing bidirectional special functions. It also supports full-function OBD II diagnosis and vehicle maintenance light resets.
The app itself is free to download and use for basic functions. However, users can subscribe to diagnostic software for specific vehicle brands and functions within the app's diagnostic software store, which incurs a cost.