Best Elm 327 Interface Apps

143+ iOS apps curated and reviewed

3.9 avg rating

20 free apps

Updated June 2026

Out of 143+ elm 327 interface apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Elm 327 Interface

#1

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!

Editor's Choice

🔧 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

#2

ELM327 WiFi Diagnostic by Kamil Kubis

Car diagnostic

Strong Contender

🔧 Utilities

1.0(1 ratings)

Free

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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.

#3

OBDII Scanner ELM327 OBD2 by paul moore

OBD2 Scanner and Trouble codes

Worth Considering

🔧 Utilities

3.7(3 ratings)

FreeIn-App Purchases

OBDII Scanner ELM327 OBD2 screenshot 1

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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.

More Elm 327 Interface apps to explore

OBD2 Car Scanner - EOBD Facile

OBD2 Car Scanner - EOBD Facile

Torque ELM327 Diagnostic Tool

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.

Read and clear engine fault codesMonitor real-time sensor dataTurn off check engine light

free with in-app purchases

Elm 327 Car Scanner - Plier.AI

Elm 327 Car Scanner - Plier.AI

Torque Pro Obd2 Scanner Elm327

Transform your iPhone into an AI-powered car diagnostic tool. Connect to your vehicle via an OBD2 device to understand its health, diagnose issues, and estimate repair costs.

AI-driven diagnostic reportsReal-time OBD2 data and graphsCheck engine light insights

free with in-app purchases

Elm327 OBD Info

Elm327 OBD Info

This application checks OBD protocols in cars by connecting to an ELM327 device. It supports all major OBD-II protocols and all versions of the ELM327 hardware, allowing you to check your device's version.

Check OBD protocolsConnect to ELM327 deviceSupports all CAN ISO 15765

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

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

inCarDoc OBD2 ELM327 Scanner

inCarDoc OBD2 ELM327 Scanner

Car diagnostics, obd2 scanner

This app acts as a car diagnostic tool, allowing users to scan fault codes, monitor real-time engine parameters, and log vehicle maintenance. It helps optimize car performance and control fuel consumption by accessing ECU data.

OBD2 fault code scannerReal-time parameter monitoringLogbook for diagnostics and maintenance

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

Elm327 WiFi Terminal OBD

Elm327 WiFi Terminal OBD

Connect to your car's OBD2 system using an ELM327 WiFi device. This utility allows you to send AT commands and scan car data. It's compatible with all OBD2-equipped vehicles and ELM327 WiFi devices.

Connect to ELM327 WiFi devicesScan car commandsSupports all OBD2 cars

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

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

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

OBD2 Scanner ELM327: GaragePro

OBD2 Scanner ELM327: GaragePro

OBD Scanning at turbo speed!

This app provides comprehensive OBD scanning for vehicles, allowing users to read and clear fault codes from various ECUs, monitor live sensor data, and perform special functions like DPF regeneration and injector coding. It supports over 100 vehicle makes and offers detailed reports and diagnostic assistance.

Read and delete fault codes from any ECUMonitor over 200 live sensor data pointsPerform special OBD functions

free with in-app purchases

ELM327 WiFi Detect

ELM327 WiFi Detect

Infocar - OBD2 ELM Scanner

Infocar - OBD2 ELM Scanner

OBD2 Car Scanner & Diagnostic

Monitor your vehicle's health and performance with this app. It offers real-time diagnostics, driving style analysis, and maintenance tracking. Connect to your car's OBD2 scanner for detailed insights and improved driving habits.

Vehicle diagnostics and fault code clearingReal-time sensor data monitoringCustomizable dashboard with HUD

free with in-app purchases

Elm327 WiFi Check Version

Elm327 WiFi Check Version

This application verifies the version of your ELM327 WiFi device for car diagnostics. It supports a wide range of ELM327 versions, ensuring compatibility with various diagnostic tools.

ELM327 WiFi device version checkSupports multiple ELM327 versions (v1.3 to v2.2)Car diagnostic tool compatibility verification

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

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