Best Obd2 Interface Apps

228+ iOS apps curated and reviewed

4.3 avg rating

19 free apps

Updated June 2026

From beginner-friendly picks to power-user tools, our obd2 interface list covers 228+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Obd2 Interface

#1

OBD2 Car Scanner - EOBD Facile by Outils OBD Facile

Torque ELM327 Diagnostic Tool

Editor's Choice

🔧 Utilities

4.6😐(4.9K ratings)

FreeIn-App Purchases

OBD2 Car Scanner - EOBD Facile screenshot 1

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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

#2

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!

Strong Contender

🔧 Utilities

4.8😊(31K ratings)

FreeAdsIn-App Purchases

Car Scanner ELM OBD2 screenshot 1

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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

#3

ELM327 WiFi Diagnostic by Kamil Kubis

Car diagnostic

Worth Considering

🔧 Utilities

1.0(1 ratings)

Free

ELM327 WiFi Diagnostic screenshot 1

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This utility app connects to your vehicle's onboard diagnostics system via an ELM327 WiFi adapter. It allows you to check your car's version and supported protocols, and includes example commands for troubleshooting.

More Obd2 Interface apps to explore

BlueDriver OBD2 Scan Tool

BlueDriver OBD2 Scan Tool

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

free with in-app purchases

Car Scanner | OBD Auto Doctor

Car Scanner | OBD Auto Doctor

OBD2 diagnostics for ELM 327

Diagnose your car's engine light issues and monitor real-time performance data. This app allows you to read and clear diagnostic trouble codes, track fuel consumption, and view sensor data. It's a comprehensive tool for understanding your vehicle's health.

Read and clear OBD2 diagnostic trouble codes (DTC)Reset Check Engine LightMonitor real-time vehicle data and sensor readings

free with in-app purchases

by Piotr Bialic

This app provides advanced diagnostics for Jeep, Chrysler, and Dodge vehicles. It allows users to read and clear trouble codes, view live sensor data, and access settings across all vehicle modules, including ABS and transmission.

Read/Clear Diagnostic Trouble CodesAccess Live Data from all sensorsView vehicle settings

free with in-app purchases

FIXD OBD2 Scanner

FIXD OBD2 Scanner

Clear Your Check Engine Light

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

free with in-app purchases

OBD2 Scanner: Torque ELM 327

OBD2 Scanner: Torque ELM 327

Torque OBD2 Car Scanner ELM327

Transform your smartphone into a powerful car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, and track your vehicle's performance. Customize your dashboard and access repair manuals to understand and fix issues.

Real-time engine data monitoringRead and clear trouble codesPerformance tracking

free with in-app purchases

Code, Service, Diagnose cars

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

free with in-app purchases

OBD2 scan tool & diagnostics

This app connects to your car's OBD2 port via a compatible adapter to read vehicle data. Monitor fuel economy, clear check engine lights, and create custom dashboards for real-time diagnostics and performance tracking.

Read and clear OBD2 trouble codesCustomizable real-time dashboardsEstimate fuel economy

free with in-app purchases

Torque Pro : OBD2 Car Scanner

Torque Pro : OBD2 Car Scanner

Torque OBD2 Car Scanner ELM

$12.99 | 100% OFF

Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live sensor data, and analyze performance with real-time graphs. Get AI-powered insights and detailed vehicle history reports.

Read and clear trouble codes (DTCs)Live sensor data monitoring and loggingAI-powered trouble code explanations

by OBD Solutions LLC

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.

Read and clear diagnostic trouble codesDisplay real-time vehicle dataCustomizable dashboards

free with in-app purchases

Car Scanner OBD2 Torque Pro

Car Scanner OBD2 Torque Pro

OBD2 Scan for Car Diagnostic

This app transforms your device into a powerful car diagnostic tool. It allows you to monitor real-time sensor data, read and interpret diagnostic trouble codes (DTCs), and access detailed information about your vehicle's systems. Compatible with most cars manufactured after 1996.

Real-time sensor data monitoringRead and interpret DTCsAccess Parameter Identification Codes (PIDs)

free with in-app purchases

Where is my OBD2 port? Find it

Where is my OBD2 port? Find it

Easily locate your car's OBD

Struggling to find your car's OBD2 diagnostic port? This app acts as a search engine to help you easily locate your OBD connector. With a growing database of over 1000 vehicles, it assists in diagnosing your car.

OBD2 port search engineDatabase of over 1000 vehiclesCollaborative photo submission

📊 Productivity

OBD2 - اكواد اعطال السيارات

OBD2 - اكواد اعطال السيارات

ترجمة و شرح اكواد OBD بالعربية

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

Carly — OBD2 car scanner

Carly — OBD2 car scanner

Diagnose, Code and Service

This app allows car owners to diagnose issues, monitor live engine data, and perform maintenance tasks. It offers advanced features like coding hidden car functions and detecting mileage manipulation, helping users save on repairs and understand their vehicle's health.

Read and clear fault codes from all ECUsMonitor engine live data parametersStep-by-step car repair guides

📊 Productivity

free with in-app purchases

ScanTool, Simulator & Bridge

Diagnose and monitor your vehicle's health by connecting an OBD2 adapter. View sensor data, read and reset trouble codes, and analyze diagnostic information. Developers can use it as a hardware simulator or protocol bridge.

Vehicle diagnostics and monitoringRead and reset diagnostic trouble codes (DTC)View current sensor data

free with in-app purchases

OBDII Scanner ELM327 OBD2

OBDII Scanner ELM327 OBD2

OBD2 Scanner and Trouble codes

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

free with in-app purchases

OBDeleven – OBD2 car scanner

OBDeleven – OBD2 car scanner

Diagnostics, service & coding

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

free with in-app purchases

MotorData OBD ELM car scanner

MotorData OBD ELM car scanner

Car diagnostic. Dashboard.

Transform your smartphone into a comprehensive car diagnostic tool. Read and clear trouble codes, monitor real-time vehicle performance, and customize your dashboard for a deeper understanding of your car's health. Includes free engine diagnostics with optional advanced features for specific brands.

Deep diagnostics for up to 25 ECUsOne-touch scan for trouble codesDecode DTCs and clear Check Engine Light

free with in-app purchases