Best Car Code Reader Apps

4.8😊(38K ratings)

FreeIn-App Purchases

This app provides comprehensive vehicle care and repair information for car and truck owners, DIYers, and technicians. It offers diagnostic capabilities with compatible OBD2 scanners and a vast database of verified fixes from ASE Master Technicians. Users can also access free vehicle maintenance information and schedule repairs.

What We Love

👍 Easy to use
🚀 Efficient and fast
💡 Helpful diagnostic features
🤑 Good value for money
🔧 Useful for DIY mechanics

Room to Improve

🐛 Connectivity issues
🔍 Limited functionality
🕰️ Slow app performance
🔋 Firmware update process

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!

Strong Contender

OBD2 Scanner | OBD Auto Doctor

4.8😊(33K ratings)

FreeAdsIn-App Purchases

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
👍 Frequent updates
👍 Affordable pro version
👍 Supports many vehicle makes/models

Room to Improve

🐛 Occasional connection issues
🐛 Incorrect sensor readings for some vehicles
🐛 Crashes or freezes on some devices
🔋 Drains battery when left running

BlueDriver OBD2 Scan Tool by Lemur Vehicle Monitors

Fear No Fix™

Worth Considering

📊 Productivity

4.6😊(14K ratings)

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.

What We Love

👍 Easy to use
🚀 Excellent diagnostic capabilities
💰 Great value for money
🔍 Detailed fault code information
📚 Helpful repair suggestions
🔌 Convenient Bluetooth connectivity
🔁 Seamless updates
🧠 Useful for DIY repairs
🛠️ Saves money on mechanic fees
🔍 Comprehensive vehicle diagnostics

Room to Improve

🐛 Occasional Bluetooth connectivity issues
⚠️ Limited support for some vehicle makes/models
🚫 Cannot read odometer information
🚫 Lack of advanced features for professional mechanics
🚫 No support for European vehicle VINs
🚫 Inability to read certain fault codes (e.g., airbag)
🚫 Doesn't work with older iOS versions

More Car Code Reader apps to explore

Car Diagnostics & Check Engine

Read and clear OBD2 diagnostic trouble codes (DTC)Reset Check Engine LightMonitor real-time vehicle data and sensor readings

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.

(6.2K)

OBD2 Car Scanner - EOBD Facile

Torque & ELM327 OBD Diagnostic

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

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.

(5.1K)

Clear Your Check Engine Light

FIXD OBD2 Scanner

Translate check engine light codesUnderstand issue severityMaintenance reminders

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

(26K)

OBD2 Trouble Code

OBD ll Code Reader Guide

OBD2 code lookupCheck engine code descriptionsPossible cause identification

Instantly look up your car's check engine codes on the go. Access a vast database of OBD2 codes with descriptions and potential causes for all major manufacturers. Save your search history for quick reference.

OBD2 Ninja: Car Code Reader

(306)

free

Check engine light scanner

$0.99

OBD2 scanner & car diagnostic

Autmet | OBD2 Scanner

Reads vehicle ECU dataBluetooth OBD device compatibleSupports OBD-II protocols

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.

Instantly unlock your radio

VIN code auto check ГИБДД ФССП ФНП РСА

ДТП, пробег, залоги и прочее

Free VIN decodingVehicle history reportsAccident records

Decode any vehicle's VIN for free to uncover crucial information. Access details about accidents, mileage, liens, and more to avoid unexpected issues. Stay informed and protected with comprehensive vehicle history checks.

🔍 Reference

Radio Code Generator & Finder

Car Radio Code Unlocker

Generate car radio serial codesUnlock car stereo codesSupports most car brands

Instantly generate and unlock car stereo codes using your vehicle's registration number or VIN. This tool supports a wide range of car brands and radio models, providing a safe and permanent solution for unlocking your car radio after a power outage.

CarCoding: OBD2 Car Scanner

(7)

free

ELM327 Diagnostics & Coding

OBD2 diagnostics and fault code clearingAI repair assistant for code explanationsLive engine data with customizable gauges

This app acts as an OBD2 scanner, providing diagnostics, live data, and ECU coding for your vehicle. It helps you understand check engine lights, clear codes, monitor engine performance, and access hidden car features. Supports ELM327 adapters and offers AI-powered repair assistance.

OBD2 Car Scanner ELM327: Cavox

(1)

freemium

Check engine light? AI verdict

Plain-language verdict for trouble codesAI explanations of fault codesLive sensor monitoring (RPM, temp, etc.)

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.

Unlock your car radio codes

(1)

freemium

Car Radio Code Generator

Fast code retrieval (under 30 mins)Wide compatibility with car brands/modelsUser-friendly step-by-step guidance

Quickly retrieve your car radio codes within 30 minutes after power outages or battery replacements. This app supports a wide range of car manufacturers and radio models, offering a user-friendly and secure process. Access your past codes easily through the code history feature.

QR Code Reader: Scan & Create

The Fastest QR Scanner App

Instant scan on launchScan from photosQR code generator

Instantly scan QR codes and barcodes with a high-performance reader that launches immediately. Generate custom QR codes for various data types and save scan history locally. Supports front camera and flashlight for convenience.

OBD2 Codes Pro Auto offline

Complete List of OBD Codes

Offline OBD2 code databaseGeneric and manufacturer-specific codesCheck engine code descriptions

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.