Best Elm 327 Interface Apps

177+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated July 2026

Out of 177+ 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.

Compare top Elm 327 Interface Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesAug 2026
2ELM327 WiFi DiagnosticELM327 WiFi DiagnosticFree1.0★ (1)NoNoMay 2026
3OBDII Scanner ELM327 OBD2OBDII Scanner ELM327 OBD2Free3.4★ (5)NoYesAug 2026
4OBD2 Car Scanner - EOBD FacileOBD2 Car Scanner - EOBD FacileFree4.6★ (5K)NoYesAug 2026
5Elm327 OBD InfoElm327 OBD InfoFree1.4★ (5)NoNoMay 2026
6ELM327 WiFi DetectELM327 WiFi DetectFreeNoNoMay 2026
7Elm 327 Car Scanner - Plier.AIElm 327 Car Scanner - Plier.AIFree5.0★ (5)NoYesJul 2026
8DrivePulse: Car Mileage LogDrivePulse: Car Mileage LogFree5.0★ (1)NoYesAug 2026

Top Picks for Elm 327 Interface

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
ELM327 WiFi Diagnostic#2

ELM327 WiFi Diagnostic by Kamil Kubis

Car diagnostic
Strong Contender
🔧 Utilities
1.0(1 ratings)
Free
ELM327 WiFi Diagnostic screenshot 1
ELM327 WiFi Diagnostic screenshot 2
ELM327 WiFi Diagnostic screenshot 3
ELM327 WiFi Diagnostic screenshot 4
ELM327 WiFi Diagnostic screenshot 5

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.

OBDII Scanner ELM327 OBD2#3

OBDII Scanner ELM327 OBD2 by paul moore

OBD2 Scanner and Trouble codes
Worth Considering
🔧 Utilities
3.4(5 ratings)
FreeIn-App Purchases
OBDII Scanner ELM327 OBD2 screenshot 1
OBDII Scanner ELM327 OBD2 screenshot 2
OBDII Scanner ELM327 OBD2 screenshot 3
OBDII Scanner ELM327 OBD2 screenshot 4
OBDII Scanner ELM327 OBD2 screenshot 5
OBDII Scanner ELM327 OBD2 screenshot 6

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

4
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
Torque & ELM327 OBD Diagnostic
Free

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
🔧 Utilities
(5K)
free with in-app purchases
5
Elm327 OBD Info
Elm327 OBD Info
Elm327 OBD Info
by Kamil Kubis
Free

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
🔧 Utilities
(5)
free
6
ELM327 WiFi Detect
ELM327 WiFi Detect
ELM327 WiFi Detect
by Kamil Kubis
Free
🔧 Utilities
(0)
7
Elm 327 Car Scanner - Plier.AI
Elm 327 Car Scanner - Plier.AI
Elm 327 Car Scanner - Plier.AI
Torque Pro Obd2 Scanner Elm327
Free

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
🔧 Utilities
(5)
free with in-app purchases
8
DrivePulse: Car Mileage Log
DrivePulse: Car Mileage Log
DrivePulse: Car Mileage Log
Diagnostics, fuel use, trips
Free

Transforms your iPhone into a car's onboard computer. It automatically logs trips, monitors vehicle health, and provides detailed diagnostics via an OBD2 adapter. Offers fuel tracking, maintenance reminders, and a live dashboard.

Automatic trip loggingVehicle health monitoringOBD2 diagnostics with code explanations
🗺️ Navigation
(1)
free with in-app purchases
9
OBD2 Scanner: Torque ELM 327
OBD2 Scanner: Torque ELM 327
OBD2 Scanner: Torque ELM 327
Torque OBD2 Car Scanner ELM327
Free

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
🔧 Utilities
(902)
free with in-app purchases
10
Elm327 WiFi Terminal OBD
Elm327 WiFi Terminal OBD
Elm327 WiFi Terminal OBD
by Kamil Kubis
Free

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
🔧 Utilities
(14)
free
11
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
OBD2 scanner & car diagnostic
Free

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
🔧 Utilities
(270)
free with in-app purchases
12
OBD2 Car Scanner ELM 327 EOBD
OBD2 Car Scanner ELM 327 EOBD
OBD2 Car Scanner ELM 327 EOBD
Check Engine Code Reader BLE
Free
🔧 Utilities
(0)
13
Car Scanner OBD2 Torque Pro
Car Scanner OBD2 Torque Pro
Car Scanner OBD2 Torque Pro
OBD2 Scan for Car Diagnostic
Free

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)
🔧 Utilities
(886)
free with in-app purchases
14
Car Scanner App: OBD2, ELM327
Car Scanner App: OBD2, ELM327
Car Scanner App: OBD2, ELM327
Check Engine - Diagnostic Tool
Free
🌟 Lifestyle
(0)
15
OBD2 Car Scanner ELM327: Cavox
OBD2 Car Scanner ELM327: Cavox
OBD2 Car Scanner ELM327: Cavox
Check engine light? AI verdict
Free

Decode your car's check engine light with AI. Get plain-language explanations of trouble codes, likely causes, and urgency. Monitor live sensor data and track your car's history.

Plain-language verdict for trouble codesAI explanations of fault codesLive sensor monitoring (RPM, temp, etc.)
🔧 Utilities
(1)
freemium
16
OBDII Terminal - ELM327
OBDII Terminal - ELM327
OBDII Terminal - ELM327
OBDII Terminal for Developer
Free
🛠️ Developer Tools
(0)
17
OpenOBD
OpenOBD
OpenOBD
OBD2 Car Scanner & Live Data
Free
🔧 Utilities
(0)
18
OPL Monitor
OPL Monitor
OPL Monitor
App for Car Diagnostic
Free

Monitor DPF particulate filter parameters for specific Opel/Vauxhall models using an ELM327 compatible adapter. View real-time data for various engine codes on your device.

DPF particulate filter monitoringELM327, iCar, vLinker compatibilityReal-time parameter reading
🔧 Utilities
(22)
free with in-app purchases
19
Car Scanner ELM OBD2 327
Car Scanner ELM OBD2 327
Car Scanner ELM OBD2 327
OBD2 Diagnostic tool ELM 327
Free

Transform your smartphone into a powerful car diagnostic tool. Connect with a compatible OBD2 adapter to read trouble codes, monitor live sensor data, and understand your vehicle's health in real-time. Gain clarity on warning lights and prevent costly repairs with this intuitive automotive companion.

Read OBD2 Diagnostic Trouble Codes (DTC)Monitor live sensor dataReset Check Engine Light
🔧 Utilities
(3)
free with in-app purchases
20
hobDrive
hobDrive
hobDrive
by RID OOO
Free

This intelligent trip computer and OBD2 diagnostic software uses your vehicle adapter and GPS to calculate trip information, monitor engine diagnostics, and track performance metrics. It offers detailed fuel efficiency calculations and trip planning features for a comprehensive driving analysis.

OBD2 PIDs and custom sensor supportEnhanced engine diagnostics and code explanationDetailed trip computer with MPG calculations
🔧 Utilities
(0)
free with in-app purchases

FAQ about Elm 327 Interface

What are the best elm 327 interface apps for iPhone?
Car Scanner ELM OBD2 tops our elm 327 interface apps ranking as of July 2026, with a 4.8-star average from 32K App Store ratings, and it's free to download.
Yes — 20 of the top elm 327 interface apps we rank are free to download, including Car Scanner ELM OBD2 and ELM327 WiFi Diagnostic.
Car Scanner ELM OBD2 shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 177+ elm 327 interface 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.