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Best Obd2 Code Apps

222+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated May 2026

The best obd2 code apps on iPhone average 4.3★ across 222+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Obd2 Code

OBD2 Car Scanner - EOBD Facile#1

OBD2 Car Scanner - EOBD Facile by Outils OBD Facile

Torque ELM327 Diagnostic Tool
Editor's Choice
🔧 Utilities
4.6😐(4.8K ratings)
FreeIn-App Purchases
OBD2 Car Scanner - EOBD Facile screenshot 1
OBD2 Car Scanner - EOBD Facile screenshot 2
OBD2 Car Scanner - EOBD Facile screenshot 3
OBD2 Car Scanner - EOBD Facile screenshot 4
OBD2 Car Scanner - EOBD Facile screenshot 5
OBD2 Car Scanner - EOBD Facile screenshot 6

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.

What We Love

  • 👍 Helpful for diagnosing issues
  • 🚀 Easy to use and connect
  • 💡 Provides useful vehicle data
  • 🔍 Able to read and clear error codes

Room to Improve

  • 💰 Expensive for full functionality
  • 🔒 Requires paid upgrade to access key features
  • 🐛 Connectivity issues and app crashes
Carista OBD2#2

Carista OBD2 by Prizmos OOD

Code, Service, Diagnose cars
Strong Contender
🔧 Utilities
4.6😐(3.8K ratings)
FreeAdsIn-App Purchases
Carista OBD2 screenshot 1
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Carista OBD2 screenshot 3
Carista OBD2 screenshot 4
Carista OBD2 screenshot 5
Carista OBD2 screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Customization options
  • 🚀 Efficient diagnostics
  • 💡 Helpful for maintenance

Room to Improve

  • 💰 Expensive subscription
  • 🔒 Requires account login
  • 🐛 Connectivity issues
OBD2 - اكواد اعطال السيارات#3

OBD2 - اكواد اعطال السيارات by Hassan Benessafi

ترجمة و شرح اكواد OBD بالعربية
Worth Considering
🔧 Utilities
4.1😐(2.6K ratings)
Free
OBD2 - اكواد اعطال السيارات screenshot 1
OBD2 - اكواد اعطال السيارات screenshot 2
OBD2 - اكواد اعطال السيارات screenshot 3
OBD2 - اكواد اعطال السيارات screenshot 4

An app that translates and explains OBD codes in Arabic, allowing users to diagnose car issues without visiting a mechanic. Get detailed translations of car trouble codes in Arabic for easy troubleshooting.

What We Love

  • 👍 Good app
  • 🚀 Fast and efficient
  • 💡 Useful features
  • 🔒 Secure

Room to Improve

  • 🐛 App crashes or doesn't work
  • 💸 Too many ads
  • 🤖 Poor translations

More Obd2 Code apps to explore

4
Car Scanner ELM OBD2
Car Scanner ELM OBD2
Car Scanner ELM OBD2
The best OBD2 diagnostic tool!
Free
🔧 Utilities
(31K)
5
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)
6
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)
7
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.

🔧 Utilities
(107)
8
OBD2 Enhance Trouble Code Lite
OBD2 Enhance Trouble Code Lite
OBD2 Enhance Trouble Code Lite
Find DTCs Definition and Cause
Free

This application helps you identify and fix car issues by providing definitions and possible causes of On Board Diagnostics Trouble Codes. Simply select your vehicle, input the code, and get the information you need to quickly resolve the problem.

🔍 Reference
(7)
9
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)
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
(7.9K)
12
OBD2 Code
OBD2 Code
OBD2 Code
by Liang-Hung Publishing
Free

This reference book provides standard diagnostic trouble codes for vehicle onboard computer faults, helping users diagnose problems based on code numbers. Look up codes to identify and troubleshoot issues in monitored vehicle systems.

🔍 Reference
(3)
13
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
(878)
14
Where is my OBD2 port? Find it
Where is my OBD2 port? Find it
Where is my OBD2 port? Find it
Easily locate your car's OBD
Free

Discover your car's OBD2 port easily with our app! Locate your OBD connector and diagnose your vehicle - join over 1000 users helping each other. Don't see your car listed? Send photos to contribute and expand our database.

📊 Productivity
(1.1K)
15
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
OBD2 Car Scanner & Diagnostic
Free

Infocar is a comprehensive vehicle management app offering diagnostic scanning, driving style analysis, real-time dashboard monitoring, driving records tracking, and vehicle maintenance management. Users can subscribe to Infocar PRO for advanced features and unlimited monitoring capabilities. Accessible on iOS 12 or higher, Infocar is designed to work optimally with Infocar devices for seamless functionality.

🔧 Utilities
(250)
16
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)
17
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)
18
OBD2 Trouble Code
OBD2 Trouble Code
OBD2 Trouble Code
OBD ll Code Reader Guide
Free

Access a comprehensive OBD2 Code Guide with this app, providing quick and easy lookups of car check engine codes, along with descriptions and possible causes. Utilize the web's largest OBD2 code database, save results for future reference, and access search history for efficient troubleshooting.

🔧 Utilities
(297)
19
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)
20
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
(802)

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