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Best Obd Code Apps

248+ iOS apps curated and reviewed

3.6 avg rating
18 free apps
Updated July 2026

The best obd code apps on iPhone average 3.6★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Obd Code Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesAug 2026
2RepairSolutions2RepairSolutions2Free4.8★ (36K)NoYesAug 2026
3OBDLinkOBDLinkFree4.8★ (12K)NoYesAug 2026
4Carista OBD2Carista OBD2Free4.6★ (4K)YesYesAug 2026
5Prevost OBD Code ConverterPrevost OBD Code Converter$9.995.0★ (2)NoNoJul 2026
6OBD ll Codes Multi LanguageOBD ll Codes Multi LanguageFree1.0★ (6)NoNoMay 2026
7Indianapolis ColtsIndianapolis ColtsFree4.8★ (5.4K)YesNoAug 2026
8OBD2 Codes Pro Auto offlineOBD2 Codes Pro Auto offlineFree2.8★ (15)NoNoMay 2026

Top Picks for Obd Code

Car Scanner ELM OBD2#1

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!
Editor's Choice
🔧 Utilities
4.8😊(32K 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

Monitor your car's performance, diagnose engine issues, and view sensor data in real-time. Customize your dashboard with gauges and charts, and reset fault codes. Supports a wide range of vehicles and offers advanced features for specific car brands.

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
RepairSolutions2#2

RepairSolutions2 by Innova Electronic

Strong Contender
🔧 Utilities
4.8😊(36K ratings)
FreeIn-App Purchases
RepairSolutions2 screenshot 1
RepairSolutions2 screenshot 2
RepairSolutions2 screenshot 3
RepairSolutions2 screenshot 4
RepairSolutions2 screenshot 5
RepairSolutions2 screenshot 6

This app provides comprehensive vehicle care and repair information for car and truck owners, DIYers, and technicians. It offers diagnostic capabilities with compatible OBD2 scanners and a vast database of verified fixes from ASE Master Technicians. Users can also access free vehicle maintenance information and schedule repairs.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient and fast
  • 💡 Helpful diagnostic features
  • 🤑 Good value for money

Room to Improve

  • 🐛 Connectivity issues
  • 🔍 Limited functionality
  • 🕰️ Slow app performance
OBDLink#3

OBDLink by OBD Solutions LLC

Worth Considering
✈️ Travel
4.8😐(12K ratings)
FreeIn-App Purchases
OBDLink screenshot 1
OBDLink screenshot 2
OBDLink screenshot 3
OBDLink screenshot 4
OBDLink screenshot 5
OBDLink screenshot 6

Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor real-time engine data, and track fuel economy. Generate detailed reports for easy sharing and analysis.

What We Love

  • 🚀 Fast and responsive
  • 👍 Customizable dashboard
  • 📊 Comprehensive diagnostics
  • 💰 Good value for money

Room to Improve

  • 🐛 Connectivity issues
  • 🔌 Unreliable Bluetooth connection
  • 🤔 Limited support for newer vehicles

More Obd Code apps to explore

4
Carista OBD2
Carista OBD2
Carista OBD2
Code, Service, Diagnose cars
Free

This app acts as a DIY car mechanic, allowing you to customize features, diagnose warning lights, monitor live data, and perform maintenance. Save time and money by handling common car tasks yourself.

Customize car behavior and unlock hidden featuresDiagnose and reset dashboard warning lightsMonitor real-time vehicle parameters
🔧 Utilities
(4K)
free with in-app purchases
5
Prevost OBD Code Converter
Prevost OBD Code Converter
Prevost OBD Code Converter
by Prevost Car (US) Inc.
$9.99

This tool translates complex OBD codes into easily understandable error messages. It helps users quickly identify and understand vehicle diagnostic trouble codes.

OBD code translationError message equivalentsVehicle diagnostics aid
💼 Business
(2)
paid
6
OBD ll Codes Multi Language
OBD ll Codes Multi Language
OBD ll Codes Multi Language
obd2 codes list
Free

Instantly look up your car's check engine code with this comprehensive guide. Access descriptions and potential causes for codes from major manufacturers, supporting 15 languages. Empower yourself with knowledge to avoid being overcharged by mechanics.

OBD2 code lookupCheck engine code descriptionsPossible cause identification
🔧 Utilities
(6)
free
7
Indianapolis Colts
Indianapolis Colts
Indianapolis Colts
by Indianapolis Colts Inc
Free

Stay connected with your favorite NFL team year-round. Access the latest news, exclusive content, and manage your digital tickets. Enhance your gameday experience with loyalty rewards and in-stadium features.

Latest team news and updatesDigital ticket managementLoyalty rewards integration
⚽ Sports
(5.4K)
free with in-app purchases
8
OBD2 Codes Pro Auto offline
OBD2 Codes Pro Auto offline
OBD2 Codes Pro Auto offline
Complete List of OBD Codes
Free

Access a comprehensive offline database of OBD2 (OBDII) codes for all major car manufacturers. Look up check engine codes, view descriptions, and identify possible causes on the go. Save your search history for quick reference.

Offline OBD2 code databaseGeneric and manufacturer-specific codesCheck engine code descriptions
🔧 Utilities
(15)
free
9
Cafix: OBD2 Car Scanner
Cafix: OBD2 Car Scanner
Cafix: OBD2 Car Scanner
AI Car Diagnostic, Code Reader
Free

Transform your smartphone into a professional car diagnostic tool. This app reads and clears trouble codes, monitors live engine data, and uses AI to explain issues and provide repair guidance. It works with most vehicles and OBD2 adapters.

Full DTC Fault Code ScannerLive Sensor Data & Custom DashboardsContinuous Data Logging
🔧 Utilities
(1)
free with in-app purchases
10
Obd2 Codes List
Obd2 Codes List
Obd2 Codes List
OBD ll (obd2) codes list
$0.99

Instantly look up check engine codes for virtually any car. Access a vast database of generic and manufacturer-specific fault codes with descriptions and potential causes, even offline.

Extensive OBD2 code databaseOffline accessSupports all major manufacturers
🔍 Reference
(2)
paid
11
Africall
Africall
Africall
by Africall Connect Ltd
Free

Make affordable international calls to all Zimbabwe networks at a flat rate of 12 cents per minute. Recipients in Zimbabwe receive calls as standard, and you can call from anywhere in the world using your phone's internet connection.

Low-cost calls to ZimbabweCalls to mobiles and landlinesNo special setup for recipients
📊 Productivity
(8)
free with in-app purchases
12
OBDCodingPro
OBDCodingPro
OBDCodingPro
by Basic Connect LTD
Free

This application allows users to easily enable or disable hidden functions in their vehicles without prior knowledge. Select your car's details and desired features for quick activation or deactivation.

Enable/disable hidden vehicle functionsSupports various car makes, models, and yearsIntuitive interface for quick operations
💼 Business
(1)
free with in-app purchases
13
OBD2 Trouble Code
OBD2 Trouble Code
OBD2 Trouble Code
OBD ll Code Reader Guide
Free

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.

OBD2 code lookupCheck engine code descriptionsPossible cause identification
🔧 Utilities
(297)
free
14
OBD2 Code
OBD2 Code
OBD2 Code
by Liang-Hung Publishing
Free

This app serves as a reference for standard Diagnostic Trouble Codes (DTCs). It helps users understand fault codes generated by a vehicle's onboard computer, aiding in problem diagnosis.

Diagnostic Trouble Code referenceVehicle fault code lookupProblem diagnosis aid
🔍 Reference
(3)
free
15
Africallshop - call Africa
Africallshop - call Africa
Africallshop - call Africa
call Africa at cheap rates
Free

Make affordable international calls to Africa and other countries. Enjoy excellent call quality for mobile and landline connections, eliminating the need for multiple services or expensive scratch cards.

Call Africa and worldwideCheap international ratesExcellent call quality
🌐 Social Networking
(669)
free with in-app purchases
16
OBD2 Codes List (OBD-II)
OBD2 Codes List (OBD-II)
OBD2 Codes List (OBD-II)
OBD2 codes list database.
Free
🔍 Reference
(0)
17
Rheosoft OBD2
Rheosoft OBD2
Rheosoft OBD2
by James Mittler II
Free
🔧 Utilities
(0)
18
OBD Live: Car Scanner & OBD2
OBD Live: Car Scanner & OBD2
OBD Live: Car Scanner & OBD2
Live OBD Sensors & Diagnostics
Free
🔧 Utilities
(0)
19
OBD2 - اكواد اعطال السيارات
OBD2 - اكواد اعطال السيارات
OBD2 - اكواد اعطال السيارات
ترجمة و شرح اكواد OBD بالعربية
Free

This app translates and explains car error codes in Arabic. It helps you diagnose vehicle issues without needing to visit a mechanic, providing detailed Arabic explanations for OBD codes.

Arabic translation of car error codesDiagnosis of vehicle faultsExplanation of OBD codes
🔧 Utilities
(2.6K)
free
20
OBD2 Cat
OBD2 Cat
OBD2 Cat
Simple Car Scanner
Free
🔧 Utilities
(0)

FAQ about Obd Code

What are the best obd code apps for iPhone?
Car Scanner ELM OBD2 tops our obd code apps ranking as of July 2026, with a 4.8-star average from 32K App Store ratings, and it's free to download.
Yes — 18 of the top obd code apps we rank are free to download, including Car Scanner ELM OBD2 and RepairSolutions2.
Car Scanner ELM OBD2 shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 248+ obd code apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app acts as a vehicle diagnostic tool, performance monitor, and trip computer. It connects to your car's OBD2 engine management system via a Wi-Fi or Bluetooth adapter to display real-time sensor data, read and reset fault codes, and provide detailed vehicle information.
Key features include real-time sensor data display, the ability to read and reset DTC fault codes with a large database of descriptions, customizable dashboards with gauges and charts, extended PID support for hidden information, Mode 06 test results, emission test readiness checks, and accurate acceleration measurements.

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