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Best Obd2 Diagnostic Apps Like Thinkdiag

234+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated June 2026

Looking for free obd2 diagnostic apps like thinkdiag apps? 18 of our 234+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Obd2 Diagnostic Apps Like Thinkdiag

ThinkDiag+#1

ThinkDiag+ by THINKCAR INC

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

ThinkDiag is an innovative vehicle diagnostic tool designed for technicians, repair shops, and DIYers, offering OE level functions, full-function OBD II diagnosis, maintenance reset, and communication within the ThinkDiag community. It supports various devices and over 100 vehicle brands, accessible through a smartphone app. Contact for more information at www.mythinkcar.com or service@mythinkcar.com.

What We Love

  • 🚀 Easy to use
  • 🚀 Powerful diagnostic capabilities
  • 🚀 Affordable price
  • 🚀 Helpful customer support

Room to Improve

  • 🐛 Occasional crashes or freezes
  • 🐛 Compatibility issues with certain vehicles
  • 🔒 Concerns about annual subscription fees
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 offers professional-level vehicle diagnostics, OBD II support, maintenance light reset, multi-manufacturer coverage, VIN reading, fault code interpretation, and community collaboration. Get accurate diagnostics and support from a community of users.

What We Love

  • 👍 Easy to use interface
  • 🔍 Effective diagnostic scanning capabilities
  • 💰 Good value for price
  • 🌍 Works with multiple car brands

Room to Improve

  • 🐛 Frequent app crashes and bugs
  • ❌ Poor customer support
  • 🔒 Limited vehicle model support
Car Scanner ELM OBD2#3

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!
Worth Considering
🔧 Utilities
4.8😊(31K ratings)
FreeAdsIn-App Purchases
Car Scanner ELM OBD2 screenshot 1
Car Scanner ELM OBD2 screenshot 2
Car Scanner ELM OBD2 screenshot 3
Car Scanner ELM OBD2 screenshot 4
Car Scanner ELM OBD2 screenshot 5
Car Scanner ELM OBD2 screenshot 6

What We Love

  • 🚀 Works great with cheap OBD2 adapters
  • 👍 Highly customizable dashboard
  • 👍 Comprehensive sensor data
  • 👍 Helpful error code lookup

Room to Improve

  • 🐛 Occasional connection issues
  • 🐛 Incorrect sensor readings for some vehicles
  • 🐛 Crashes or freezes on some devices

More Obd2 Diagnostic Apps Like Thinkdiag apps to explore

4
OBD2 Scanner: Torque ELM 327
OBD2 Scanner: Torque ELM 327
OBD2 Scanner: Torque ELM 327
Torque OBD2 Car Scanner ELM327
Free

Turn your smartphone into a car mechanic with this OBD2 scanner app! Detect issues in your vehicle, monitor performance, and access real-time data to keep your car running smoothly. Get started with your car's diagnostics now!

🔧 Utilities
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5
FIXD OBD2 Scanner
FIXD OBD2 Scanner
FIXD OBD2 Scanner
Clear Your Check Engine Light
Free

An auto diagnostic application that decodes car issues into layman's terms, alerts you to maintenance needs, and now offers FIXD Premium for expert support from mechanics. Ensure your car's health and longevity with FIXD.

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(42)
6
Carista OBD2
Carista OBD2
Carista OBD2
Code, Service, Diagnose cars
Free

Access a mobile DIY car mechanic with the Carista App – code, diagnose warning lights, monitor live data, and service your car easily. Save time and money on workshop visits, unlock hidden features, and customize your car's behavior with a wide range of supported car brands. Visit https://carista.com/supported-cars to check compatibility.

🔧 Utilities
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7
ThinkCar
ThinkCar
ThinkCar
ThinkCar
Free

Scan your vehicle to troubleshoot check engine lights with ThinkCar! Get full OBD functions, real-time diagnostics, vehicle health reports, and access to an online community for tips and support. Upgrade your scanning experience today!

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8
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
Fear No Fix™
Free

BlueDriver is a premium OBD2 scan tool used by professionals and vehicle owners to diagnose and fix issues. Features include generating repair reports, scanning trouble codes, and offering enhanced diagnostics for various car models. Visit the website to see what users are saying and connect with the community on social media.

📊 Productivity
(13K)
9
OBDeleven – OBD2 car scanner
OBDeleven – OBD2 car scanner
OBDeleven – OBD2 car scanner
Diagnostics, service & coding
Free

Unlock the full potential of your car with an innovative diagnostic application. Easily scan and analyze your vehicle's data for optimal performance.

🔧 Utilities
(1.1K)
10
Car Scanner | OBD Auto Doctor
Car Scanner | OBD Auto Doctor
Car Scanner | OBD Auto Doctor
OBD2 diagnostics for ELM 327
Free

Turn your mobile phone into a powerful automotive car scanner with this leading OBD2 car diagnostics tool. Quickly read diagnostic trouble codes, track vehicle data in real-time, and monitor sensor data to enhance your car knowledge and performance. See https://www.obdautodoctor.com/help/articles/obd2-compatible-cars/ for compatible vehicles.

🔧 Utilities
(6.1K)
11
Carly — OBD2 car scanner
Carly — OBD2 car scanner
Carly — OBD2 car scanner
Diagnose, Code and Service
Free

Access diagnostics, live data, and repair guides for your car with this versatile OBD2 solution that works for a wide range of car brands. Empower yourself with features like fault code reading, maintenance guides, live data monitoring, and hidden feature customization. Unleash your inner car hero with Carly!

📊 Productivity
(123)
12
RepairSolutions2
RepairSolutions2
RepairSolutions2
by Innova Electronics
Free

RepairSolutions2 offers valuable vehicle care and repair information for car owners, DIYers, and technicians. It pairs with OBD2 scanners to provide a comprehensive database with verified fixes, schedule repairs, and offers free vehicle care info. Get expert automotive help in one app.

🔧 Utilities
(33K)
13
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
Torque ELM327 Diagnostic Tool
Free

An ultimate OBD2 Bluetooth car scanner app that helps diagnose engine and transmission issues by connecting to an ELM327 adapter. View and clear fault codes, see real-time data, and track trip records with this powerful tool. Check compatibility with your vehicle and access accurate diagnostics to take control of your car maintenance.

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(36)
14
DashCommand - OBD-II Gauges
DashCommand - OBD-II Gauges
DashCommand - OBD-II Gauges
OBD-II Dashboards, Scan Tool
$9.99

Transform your iPhone into a customizable monitoring system with DashCommand - a professional OBD-II app for monitoring engine performance, fuel economy, and more. Easily read and clear check engine lights, track G-forces, map race tracks, and log OBD-II data. Check out a video of DashCommand in action: [here](https://www.youtube.com/watch?v=y12tbLmf_J0). Explore compatible hardware options: [here](http://palmerperformance.com/hardware).

⚽ Sports
(2.1K)
15
OBD Fusion
OBD Fusion
OBD Fusion
OBD2 scan tool & diagnostics
$9.99

Access real-time data from your car's onboard diagnostic system with this powerful OBD2 scan tool. Monitor and analyze your vehicle's performance, troubleshoot issues, and make informed maintenance decisions. Get insights and stay on top of your car's health with OBD Fusion now!

✈️ Travel
(31)
16
Car Scanner OBD2 Torque Pro
Car Scanner OBD2 Torque Pro
Car Scanner OBD2 Torque Pro
OBD2 Scan for Car Diagnostic
Free

A comprehensive OBD-2 scanner app for car diagnostics, providing real-time sensor data, diagnostic trouble code retrieval, and advanced troubleshooting capabilities for vehicles manufactured after 1996. Easily monitor your car's performance and pinpoint issues with just a tap on your screen. Subscribe for premium access to unlock all features. Explore more at (provide the link to the application).

🔧 Utilities
(883)
17
OBD JScan
OBD JScan
OBD JScan
by Piotr Bialic
Free

OBD JScan is a powerful application designed for Jeep owners to access and control their vehicles' onboard diagnostic information, providing detailed insights and functionality for maintenance and troubleshooting. Stay connected with your Jeep like never before - download OBD JScan now!

🔧 Utilities
(0)
18
OBD2 Car Scanner - Torque FixD
OBD2 Car Scanner - Torque FixD
OBD2 Car Scanner - Torque FixD
OBD2 ELM Diagnostic, Car HUD
Free

An app for car owners to diagnose their vehicle's internal systems through OBD2, offering comprehensive diagnostics, real-time monitoring, and maintenance guidance. Compatible with various OBD2 scanners and a wide range of car brands, it provides customizable dashboards, emissions readiness checks, and an HUD mode for effortless monitoring while driving. Unlock your vehicle's full potential today!

🔧 Utilities
(908)
19
OBDeleven VAG
OBDeleven VAG
OBDeleven VAG
Scan your car & clear faults
Free

Perform car diagnostics easily with OBDeleven VAG Car diagnostics application. Simply scan your car's systems and get detailed insights for efficient troubleshooting. Try it now for a smoother driving experience!

🔧 Utilities
(6.6K)
20
Auto Agent
Auto Agent
Auto Agent
by EZ LYNK
Free

A revolutionary mobile application that transforms how you manage your vehicle, offering live data display, diagnostics, data recordings, remote assistance, and software updates with ease. Access the most powerful tool in the automotive industry from your pocket, saving time and improving convenience for vehicle maintenance and care.

🔧 Utilities
(34K)

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