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Best Obd2 Code Apps

242+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated August 2026

The best obd2 code apps on iPhone average 4.0★ across 242+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Obd2 Code Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OBD2 Car Scanner - EOBD FacileOBD2 Car Scanner - EOBD FacileFree4.6★ (5K)NoYesAug 2026
2OBD2 CodeOBD2 CodeFree3.3★ (3)NoNoMay 2026
3OBD2 Enhance Trouble Code LiteOBD2 Enhance Trouble Code LiteFree4.6★ (7)YesNoAug 2026
4OBD2 - اكواد اعطال السياراتOBD2 - اكواد اعطال السياراتFree4.1★ (2.6K)NoNoAug 2026
5Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesAug 2026
6OBD ll Codes Multi LanguageOBD ll Codes Multi LanguageFree1.0★ (6)NoNoMay 2026
7OBDeleven – OBD2 car scannerOBDeleven – OBD2 car scannerFree4.4★ (1.3K)NoYesAug 2026
8OBD2 Trouble CodeOBD2 Trouble CodeFree3.3★ (297)NoNoAug 2026

Top Picks for Obd2 Code

OBD2 Car Scanner - EOBD Facile#1

OBD2 Car Scanner - EOBD Facile by OUTILS OBD FACILE SARL

Torque & ELM327 OBD Diagnostic
Editor's Choice
🔧 Utilities
4.6😐(5K 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

Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.

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
OBD2 Code#2

OBD2 Code by Liang-Hung Publishing

Strong Contender
🔍 Reference
3.3(3 ratings)
Free
OBD2 Code screenshot 1
OBD2 Code screenshot 2
OBD2 Code screenshot 3

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.

OBD2 Enhance Trouble Code Lite#3

OBD2 Enhance Trouble Code Lite by Sang Tran

Find DTCs Definition and Cause
Worth Considering
🔍 Reference
4.6(7 ratings)
FreeAds
OBD2 Enhance Trouble Code Lite screenshot 1
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OBD2 Enhance Trouble Code Lite screenshot 3
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OBD2 Enhance Trouble Code Lite screenshot 5
OBD2 Enhance Trouble Code Lite screenshot 6

This app provides definitions and potential causes for On-Board Diagnostics (OBD) trouble codes. It covers a wide range of generic and manufacturer-specific codes for numerous vehicle models, helping users understand and potentially fix error codes.

More Obd2 Code apps to explore

4
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
5
Car Scanner ELM OBD2
Car Scanner ELM OBD2
Car Scanner ELM OBD2
The best OBD2 diagnostic tool!
Free

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.

Real-time sensor dataOBD fault code reading and resettingCustomizable dashboard with gauges
🔧 Utilities
(32K)
free with in-app purchases
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
OBDeleven – OBD2 car scanner
OBDeleven – OBD2 car scanner
OBDeleven – OBD2 car scanner
Diagnostics & customization
Free

Transform your smartphone into a powerful car diagnostic and customization tool. Easily scan trouble codes, monitor live data, and access advanced features like coding and service functions for a wide range of car brands. Save time and money on car maintenance and personalization.

Basic OBD2 diagnosticsLive data monitoringAdvanced diagnostics for licensed brands
🔧 Utilities
(1.3K)
free with in-app purchases
8
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
9
OBD2 Car Scanner
OBD2 Car Scanner
OBD2 Car Scanner
OBD2 Car Scanner & codes
Free
🔧 Utilities
(0)
10
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
11
RepairSolutions2
RepairSolutions2
RepairSolutions2
by Innova Electronic
Free

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.

OBD2 scanner integrationVerified repair databaseDiagnostic trouble code definitions
🔧 Utilities
(37K)
free with in-app purchases
12
Autmet | OBD2 Scanner
Autmet | OBD2 Scanner
Autmet | OBD2 Scanner
OBD2 scanner & car diagnostic
Free

This diagnostic tool connects to your vehicle's OBD data via a Bluetooth device. It allows you to read various ECU data and supports common OBD-II protocols.

Reads vehicle ECU dataBluetooth OBD device compatibleSupports OBD-II protocols
🔧 Utilities
(1)
free
13
OBDII Scanner ELM327 OBD2
OBDII Scanner ELM327 OBD2
OBDII Scanner ELM327 OBD2
OBD2 Scanner and Trouble codes
Free

This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.

Scan car trouble codesView live dataLog live statistics
🔧 Utilities
(5)
free with in-app purchases
14
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
(2)
free with in-app purchases
15
OBD2 Fault Codes with Solution
OBD2 Fault Codes with Solution
OBD2 Fault Codes with Solution
Get in-depth Explanations
Free

Decode automotive trouble codes with a comprehensive database and detailed explanations. Find step-by-step guides to diagnose and resolve issues, making car maintenance accessible for all users.

OBD2 code databaseDetailed code descriptionsSolution guides
📚 Education
(3)
free with in-app purchases
16
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
Fear No Fix™
Free

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.

Read and clear trouble codes (Check Engine, ABS, etc.)Generate professional-grade Repair ReportsAccess Mode 6 and smog readiness data
📊 Productivity
(14K)
free with in-app purchases
17
FIXD OBD2 Scanner
FIXD OBD2 Scanner
FIXD OBD2 Scanner
Clear Your Check Engine Light
Free

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

Translate check engine light codesUnderstand issue severityMaintenance reminders
🔧 Utilities
(26K)
free with in-app purchases
18
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
19
OBD-2 Subaru
OBD-2 Subaru
OBD-2 Subaru
DTC for 4x4 Cars. Trouble Code
$4.99

Access a comprehensive database of diagnostic trouble codes, dashboard warning lights, and car abbreviations specifically for Subaru vehicles. Find detailed explanations, causes, symptoms, and locations of OBD-2 connectors. Includes a dealer locator and customizable features.

7600+ OBD-2 Diagnostic Trouble Codes300+ Dashboard Warning Lights1200+ Car Abbreviations
✈️ Travel
(12)
paid
20
I'm Hero OBD2 Scanner
I'm Hero OBD2 Scanner
I'm Hero OBD2 Scanner
Live car data & fault codes
Free
🔧 Utilities
(0)

FAQ about Obd2 Code

What are the best obd2 code apps for iPhone?
OBD2 Car Scanner - EOBD Facile tops our obd2 code apps ranking as of August 2026, with a 4.6-star average from 5K App Store ratings, and it's free to download.
Yes — 19 of the top obd2 code apps we rank are free to download, including OBD2 Car Scanner - EOBD Facile and OBD2 Code.
OBD2 Car Scanner - EOBD Facile has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 242+ obd2 code apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
EOBD Facile is an OBD2 car scanner that turns your smartphone into a professional diagnostic tool. It allows you to read and clear engine and transmission fault codes (DTCs), monitor real-time vehicle sensor data, and perform various diagnostic tests without needing a mechanic.
Key features include reading and clearing engine and transmission fault codes, turning off the check engine light, displaying manufacturer-specific error codes, real-time monitoring of engine torque and sensors with live graphs, VIN decoding, acceleration performance testing, and the ability to generate PDF diagnostic reports.

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