Best Elm 327 Interface Apps

160+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated July 2026

Out of 160+ 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★ (31K)YesYesJul 2026
2OBDII Scanner ELM327 OBD2OBDII Scanner ELM327 OBD2Free3.7★ (3)NoYesMay 2026
3ELM327 WiFi DiagnosticELM327 WiFi DiagnosticFree1.0★ (1)NoNoMay 2026
4OBD2 Car Scanner - EOBD FacileOBD2 Car Scanner - EOBD FacileFree4.6★ (4.9K)NoYesJul 2026
5Elm327 WiFi Check VersionElm327 WiFi Check VersionFree2.5★ (14)NoNoMay 2026
6Car Scanner | OBD Auto DoctorCar Scanner | OBD Auto DoctorFree4.4★ (6.1K)YesYesJul 2026
7Elm327 WiFi Terminal OBDElm327 WiFi Terminal OBDFree3.1★ (14)NoNoMay 2026
8OBD2 Scanner: Torque ELM 327OBD2 Scanner: Torque ELM 327Free4.6★ (874)YesYesJul 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😊(31K 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
OBDII Scanner ELM327 OBD2#2

OBDII Scanner ELM327 OBD2 by paul moore

OBD2 Scanner and Trouble codes
Strong Contender
🔧 Utilities
3.7(3 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.

ELM327 WiFi Diagnostic#3

ELM327 WiFi Diagnostic by Kamil Kubis

Car diagnostic
Worth Considering
🔧 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.

More Elm 327 Interface apps to explore

4
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
OBD2 Car Scanner - EOBD Facile
ELM327 Bluetooth OBD 2: torque
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
(4.9K)
free with in-app purchases
5
Elm327 WiFi Check Version
Elm327 WiFi Check Version
Elm327 WiFi Check Version
by Kamil Kubis
Free

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
🔧 Utilities
(14)
free
6
Car Scanner | OBD Auto Doctor
Car Scanner | OBD Auto Doctor
Car Scanner | OBD Auto Doctor
OBD2 diagnostics for ELM 327
Free

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
🔧 Utilities
(6.1K)
free with in-app purchases
7
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
8
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
(874)
free with in-app purchases
9
ELM327 WiFi Detect
ELM327 WiFi Detect
ELM327 WiFi Detect
by Kamil Kubis
Free
🔧 Utilities
(0)
10
OBDLink
OBDLink
OBDLink
by OBD Solutions LLC
Free

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
✈️ Travel
(12K)
free with in-app purchases
11
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
(883)
free with in-app purchases
12
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
13
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
14
Torque Pro : OBD2 Car Scanner
Torque Pro : OBD2 Car Scanner
Torque Pro : OBD2 Car Scanner
Torque OBD2 Car Scanner ELM
Free
$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
🔧 Utilities
(393)
subscription
15
MotorData OBD ELM car scanner
MotorData OBD ELM car scanner
MotorData OBD ELM car scanner
Car diagnostic. Dashboard.
Free

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
🔧 Utilities
(723)
free with in-app purchases
16
OBD2 Scanner ELM327: GaragePro
OBD2 Scanner ELM327: GaragePro
OBD2 Scanner ELM327: GaragePro
OBD Scanning at turbo speed!
Free

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
🔧 Utilities
(15)
free with in-app purchases
17
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
Infocar - OBD2 ELM Scanner
OBD2 Car Scanner & 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
(499)
free with in-app purchases
18
inCarDoc OBD2 ELM327 Scanner
inCarDoc OBD2 ELM327 Scanner
inCarDoc OBD2 ELM327 Scanner
Car diagnostics, obd2 scanner
Free

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
✈️ Travel
(152)
free with in-app purchases
19
OBD JScan
OBD JScan
OBD JScan
by Piotr Bialic
Free

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
🔧 Utilities
(1.3K)
free with in-app purchases
20
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
(3.9K)
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 31K 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 OBDII Scanner ELM327 OBD2.
Car Scanner ELM OBD2 shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 160+ 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.