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Best Elm 327 Scan Apps

205+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated July 2026

OBD2 Scanner is the household name in elm 327 scan, but it's far from the only option. We track 205+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Elm 327 Scan Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OBD2 Scanner: Torque ELM 327OBD2 Scanner: Torque ELM 327Free4.6★ (874)YesYesJul 2026
2Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (31K)YesYesJul 2026
3OBDII Scanner ELM327 OBD2OBDII Scanner ELM327 OBD2Free3.7★ (3)NoYesMay 2026
4OBD2 Scanner ELM327: GarageProOBD2 Scanner ELM327: GarageProFree4.5★ (15)NoYesJul 2026
5Car Scanner | OBD Auto DoctorCar Scanner | OBD Auto DoctorFree4.4★ (6.1K)YesYesJul 2026
6Car Scanner ELM OBD2 327Car Scanner ELM OBD2 327Free5.0★ (3)NoYesJul 2026
7OBD2 Car Scanner - EOBD FacileOBD2 Car Scanner - EOBD FacileFree4.6★ (4.9K)NoYesJul 2026
8OBD2 Car Scanner ELM 327 EOBDOBD2 Car Scanner ELM 327 EOBDFree—NoYesJul 2026

Top Picks for Elm 327 Scan

OBD2 Scanner: Torque ELM 327#1

OBD2 Scanner: Torque ELM 327 by Phong Pham

Torque OBD2 Car Scanner ELM327
Editor's Choice
🔧 Utilities
4.6😞(874 ratings)
FreeAdsIn-App Purchases
OBD2 Scanner: Torque ELM 327 screenshot 1
OBD2 Scanner: Torque ELM 327 screenshot 2
OBD2 Scanner: Torque ELM 327 screenshot 3
OBD2 Scanner: Torque ELM 327 screenshot 4
OBD2 Scanner: Torque ELM 327 screenshot 5
OBD2 Scanner: Torque ELM 327 screenshot 6

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.

What We Love

  • 👍 Simple and easy to use setup
  • ✅ Works well for some vehicle models
  • ⭐ Useful for basic OBD2 scanning

Room to Improve

  • 💰 Expensive pricing for limited functionality
  • 🐛 Bluetooth connection drops frequently
  • ❌ Poor compatibility with many vehicle models
Car Scanner ELM OBD2#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
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#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
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 Scan apps to explore

4
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
5
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
6
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
7
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
8
OBD2 Car Scanner ELM 327 EOBD
OBD2 Car Scanner ELM 327 EOBD
OBD2 Car Scanner ELM 327 EOBD
ELM327 Car Diagnostics Tool
Free
🔧 Utilities
(0)
9
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
10
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
11
OBD2™ Car Scanner・ELM 327 Scan
OBD2™ Car Scanner・ELM 327 Scan
OBD2™ Car Scanner・ELM 327 Scan
OBD Diagnostics・Repair Doctor
Free

Transform your smartphone into a powerful OBD2 diagnostic tool. Read and clear fault codes, monitor real-time performance metrics, and test your vehicle's acceleration and emissions. Compatible with a wide range of car brands and OBD2 scanners.

Universal OBD2 scanner compatibilityRead and erase fault codesReal-time performance metrics
🔧 Utilities
(13)
freemium
12
OBDAI OBD2 Scanner & ELM327 AI
OBDAI OBD2 Scanner & ELM327 AI
OBDAI OBD2 Scanner & ELM327 AI
AI Mechanic + Repair Videos
Free

This app uses AI to diagnose car issues, providing detailed reports and repair guidance. It offers real-time scanning, visual code reading, and predictive maintenance insights. Access embedded repair videos and component location photos for guided troubleshooting.

AI-powered car diagnosticsProfessional diagnostic reportsVisual code reader with repair videos
📊 Productivity
(10)
free with in-app purchases
13
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
14
Car Scanner App: OBD2, ELM327
Car Scanner App: OBD2, ELM327
Car Scanner App: OBD2, ELM327
Check Engine - Diagnostic Tool
Free
🌟 Lifestyle
(0)
15
Car Scanner: OBD2 ELM Reader
Car Scanner: OBD2 ELM Reader
Car Scanner: OBD2 ELM Reader
OBD diagnostics for ELM327
Free

Transform your smartphone into a car diagnostic tool. Read and clear trouble codes, monitor real-time engine data, and access manufacturer-specific information. Analyze driving behavior and track fuel efficiency.

Read and clear OBD2 trouble codesReal-time car data monitoringManufacturer-specific code access
🔧 Utilities
(2)
freemium
16
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
17
ELM327 WiFi Diagnostic
ELM327 WiFi Diagnostic
ELM327 WiFi Diagnostic
Car diagnostic
Free

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.

ELM327 version supportAll protocol supportVersion and protocol checking
🔧 Utilities
(1)
free
18
ScanMaster Lite: ELM327 OBD-2
ScanMaster Lite: ELM327 OBD-2
ScanMaster Lite: ELM327 OBD-2
OBD2 Car Scanner & Diagnostics
Free

Monitor your car's real-time data, diagnose issues, and enhance performance with this OBD2 scanner app. Connect via Bluetooth to an OBD2 device or ELM 327 adapter to read fault codes and gain insights into engine health and fuel efficiency.

Real-time vehicle monitoringRead and clear OBD-II fault codesCar performance metrics
🔧 Utilities
(3)
freemium
19
ScanMaster for ELM327 OBD-2
ScanMaster for ELM327 OBD-2
ScanMaster for ELM327 OBD-2
by SMART Technologies GmBH
$4.99

This app enables vehicle diagnostics using an ELM327 interface. It connects to your car's OBD2 port to read diagnostic trouble codes and vehicle information. Follow simple steps to set up the connection and start diagnosing your vehicle.

Vehicle diagnosticsOBD-2 standards communicationConnects with ELM327 devices
💼 Business
(146)
free
20
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

FAQ about Elm 327 Scan

What are the best elm 327 scan apps for iPhone?
OBD2 Scanner: Torque ELM 327 tops our elm 327 scan apps ranking as of July 2026, with a 4.6-star average from 874 App Store ratings, and it's free to download.
Yes — 19 of the top elm 327 scan apps we rank are free to download, including OBD2 Scanner: Torque ELM 327 and Car Scanner ELM OBD2.
OBD2 Scanner: Torque ELM 327 shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 205+ elm 327 scan apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app turns your phone into a car mechanic by allowing you to diagnose and monitor your vehicle using an OBD2 ELM327 compatible adapter. You can view real-time engine data, read and clear trouble codes, track performance metrics, and customize your dashboard.
Key features include real-time data display (engine speed, fuel use, temperatures), reading and clearing trouble codes, performance tracking (fuel efficiency, acceleration), customizable dashboards, and access to a repair manual database for troubleshooting.