Best Obd 2 Gm Apps

237+ iOS apps curated and reviewed

3.8 avg rating
16 free apps
Updated August 2026

Where is my OBD2 port? Find it is the household name in obd 2 gm, but it's far from the only option. We track 237+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Obd 2 Gm Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Where is my OBD2 port? Find itWhere is my OBD2 port? Find itFree4.5★ (1.1K)NoNoAug 2026
2OBD2 Car Scanner - EOBD FacileOBD2 Car Scanner - EOBD FacileFree4.6★ (5K)NoYesAug 2026
3ScanMaster for ELM327 OBD-2ScanMaster for ELM327 OBD-2$4.994.0★ (154)NoNoAug 2026
4ScanMaster Lite: ELM327 OBD-2ScanMaster Lite: ELM327 OBD-2Free3.7★ (6)NoYesAug 2026
5Torque OBD 2 & Car ProTorque OBD 2 & Car Pro$9.993.0★ (88)NoNoAug 2026
6OBD Tracker - ELM327 TerminalOBD Tracker - ELM327 Terminal$4.994.1★ (82)NoNoAug 2026
7OBD ll Codes Multi LanguageOBD ll Codes Multi LanguageFree1.0★ (6)NoNoMay 2026
8OBD ConnectOBD Connect$9.99 was $12.993.8★ (55)NoNoAug 2026

Top Picks for Obd 2 Gm

Where is my OBD2 port? Find it#1

Where is my OBD2 port? Find it by OUTILS OBD FACILE SARL

Easily locate your car's OBD
Editor's Choice
📊 Productivity
4.5😐(1.1K ratings)
Free
Where is my OBD2 port? Find it screenshot 1
Where is my OBD2 port? Find it screenshot 2
Where is my OBD2 port? Find it screenshot 3
Where is my OBD2 port? Find it screenshot 4

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.

What We Love

  • 👍 Helpful app
  • 🚀 Saves time locating OBD port
  • 💡 Useful for mechanics and technicians

Room to Improve

  • 🐛 Not up-to-date with all vehicle models
  • 🔍 Limited coverage of non-US vehicles
  • 🤔 Questionable functionality in some cases
OBD2 Car Scanner - EOBD Facile#2

OBD2 Car Scanner - EOBD Facile by OUTILS OBD FACILE SARL

Torque & ELM327 OBD Diagnostic
Strong Contender
🔧 Utilities
4.6😐(5K ratings)
FreeIn-App Purchases
OBD2 Car Scanner - EOBD Facile screenshot 1
OBD2 Car Scanner - EOBD Facile screenshot 2
OBD2 Car Scanner - EOBD Facile screenshot 3
OBD2 Car Scanner - EOBD Facile screenshot 4
OBD2 Car Scanner - EOBD Facile screenshot 5
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

More Obd 2 Gm apps to explore

4
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
(6)
freemium
5
Torque OBD 2 & Car Pro
Torque OBD 2 & Car Pro
Torque OBD 2 & Car Pro
OBD2,OBDII,ELM327 scan tools!
$9.99

Easily connect to your car's OBD2 port to monitor its performance in real-time. The app guides you through the connection process and supports various OBDII protocols for comprehensive diagnostics.

Real-time car data monitoringOBD2 port location guideConnect via WiFi to OBDII/ELM327 devices
🔧 Utilities
(88)
free
6
OBD Tracker - ELM327 Terminal
OBD Tracker - ELM327 Terminal
OBD Tracker - ELM327 Terminal
Pro Tools OBDII,OBD2,ELM327
$4.99

This application connects to your car's OBDII interface via Wi-Fi using an ELM327 module. It provides a step-by-step guide to help you set up the connection and start reading data from your vehicle's diagnostic system.

Wi-Fi ELM327 module communicationStep-by-step connection guideOBDII/OBD2 car interface support
✈️ Travel
(82)
free
7
OBD ll Codes Multi Language
OBD ll Codes Multi Language
OBD ll Codes Multi Language
obd2 codes list
Free

Instantly look up your car's check engine code with this comprehensive guide. Access descriptions and potential causes for codes from major manufacturers, supporting 15 languages. Empower yourself with knowledge to avoid being overcharged by mechanics.

OBD2 code lookupCheck engine code descriptionsPossible cause identification
🔧 Utilities
(6)
free
8
OBD Connect
OBD Connect
OBD Connect
OBD2 scan tool & Diagnostics
$9.99
$12.99 | 23% OFF

Monitor your car's performance in real-time with virtual gauges and graphs. Diagnose and clear trouble codes to understand vehicle malfunctions before visiting a mechanic. Track fuel economy to save on gas.

Real-time performance monitoringTrouble code reading and clearingFuel economy tracking
🔧 Utilities
(55)
paid
9
Car Scanner ELM OBD2
Car Scanner ELM OBD2
Car Scanner ELM OBD2
The best OBD2 diagnostic tool!
Free

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.

Real-time sensor dataOBD fault code reading and resettingCustomizable dashboard with gauges
🔧 Utilities
(32K)
free with in-app purchases
10
OBD2 Scanner | OBD Auto Doctor
OBD2 Scanner | OBD Auto Doctor
OBD2 Scanner | OBD Auto Doctor
Car Diagnostics & Check Engine
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
11
Rheosoft OBD2
Rheosoft OBD2
Rheosoft OBD2
by James Mittler II
Free
🔧 Utilities
(0)
12
MotorBit OBD 2
MotorBit OBD 2
MotorBit OBD 2
by Oguzcan Oruc
Free
🔧 Utilities
(0)
13
OBD2 Codes Pro Auto offline
OBD2 Codes Pro Auto offline
OBD2 Codes Pro Auto offline
Complete List of OBD Codes
Free

Access a comprehensive offline database of OBD2 (OBDII) codes for all major car manufacturers. Look up check engine codes, view descriptions, and identify possible causes on the go. Save your search history for quick reference.

Offline OBD2 code databaseGeneric and manufacturer-specific codesCheck engine code descriptions
🔧 Utilities
(15)
free
14
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
15
Autmet | OBD2 Scanner
Autmet | OBD2 Scanner
Autmet | OBD2 Scanner
OBD2 scanner & car diagnostic
Free

This diagnostic tool connects to your vehicle's OBD data via a Bluetooth device. It allows you to read various ECU data and supports common OBD-II protocols.

Reads vehicle ECU dataBluetooth OBD device compatibleSupports OBD-II protocols
🔧 Utilities
(1)
free
16
Cafix: OBD2 Car Scanner
Cafix: OBD2 Car Scanner
Cafix: OBD2 Car Scanner
AI Car Diagnostic, Code Reader
Free

Transform your smartphone into a professional car diagnostic tool. This app reads and clears trouble codes, monitors live engine data, and uses AI to explain issues and provide repair guidance. It works with most vehicles and OBD2 adapters.

Full DTC Fault Code ScannerLive Sensor Data & Custom DashboardsContinuous Data Logging
🔧 Utilities
(2)
free with in-app purchases
17
OBD2 Scanner + Engine Sound
OBD2 Scanner + Engine Sound
OBD2 Scanner + Engine Sound
ELM327 live gauges, no sub
Free
🔧 Utilities
(0)
18
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
(927)
free with in-app purchases
19
myAudi
myAudi
myAudi
The app for Audi drivers
Free

This app connects you to your Audi, offering intelligent route planning, an AI assistant for vehicle information, and remote control of key functions. It enhances your driving experience by making it smarter and more convenient, regardless of your vehicle type.

AI-powered Audi assistantIntelligent route planner with real-time dataRemote vehicle control
✈️ Travel
(60K)
free
20
Alfa OBD2 Car Scanner Pro
Alfa OBD2 Car Scanner Pro
Alfa OBD2 Car Scanner Pro
Car Diagnostic Software
Free
$49.99 | 100% OFF

Diagnose your vehicle with this app. Read and clear trouble codes, monitor real-time engine data like speed and RPM, and manage multiple vehicles. Requires an ELM 327 Bluetooth OBD2 adapter.

Read and clear trouble codesTurn off check engine lightRead real-time engine data
✈️ Travel
(37)
freemium

FAQ about Obd 2 Gm

What are the best obd 2 gm apps for iPhone?
Where is my OBD2 port? Find it tops our obd 2 gm apps ranking as of August 2026, with a 4.5-star average from 1.1K App Store ratings, and it's free to download.
Yes — 16 of the top obd 2 gm apps we rank are free to download, including Where is my OBD2 port? Find it and OBD2 Car Scanner - EOBD Facile.
Where is my OBD2 port? Find it has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 237+ obd 2 gm apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you locate your car's OBD2 diagnostic port. It functions as a search engine, allowing you to find the OBD connector for your specific vehicle make and model. This is essential for diagnosing issues with your car.
The app contains a database of over 1000 different vehicles, listing the locations of their OBD2 ports. You can search this database to find where your specific car's port is situated, making it easier to connect diagnostic tools.