Best Car Diagnostics App

Auto Agent

by EZ LYNK

Free

Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.

simos.app

VAG ECU Diagnostics & Logging

Free

This tool provides diagnostic, data logging, and flashing capabilities for specific VAG petrol engine ECUs. It allows real-time monitoring of engine parameters, ECU identification, and analysis of recorded sessions through multi-channel graphs. Users can also update their ECU with stock or custom tunes.

OBDeleven – OBD2 car scanner

Diagnostics & customization

Free

Transform your smartphone into a powerful car diagnostic and customization tool. Easily scan trouble codes, monitor live data, and access advanced features like coding and service functions for a wide range of car brands. Save time and money on car maintenance and personalization.

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.

Carly — OBD2 car scanner

Diagnose, Code and Service

Free

This app allows car owners to diagnose issues, monitor live engine data, and perform maintenance tasks. It offers advanced features like coding hidden car functions and detecting mileage manipulation, helping users save on repairs and understand their vehicle's health.

OBD2 Car Scanner ELM327: Cavox

Check engine light? AI verdict

Free

This app connects to your car's OBD2 adapter to read and explain diagnostic trouble codes in plain language. It offers AI-powered insights into potential issues, repair costs, and live sensor data, helping you understand your vehicle's health.

Car Scanner ELM OBD2 - Torque

Fixd & Check Engine Diagnostic

Free

Transform your iPhone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live vehicle sensor data, and understand check engine light warnings. Works with most vehicles manufactured since 1996 using standard OBD2 adapters.

DriveVerse: AI Car Diagnostics

Diagnose car sounds with AI

Free

This app uses AI to analyze car sounds, providing insights into potential issues, estimated repair costs, and urgency. It helps track car problems over time, compare symptoms, and understand trends for smarter maintenance and proactive ownership.

MECH AI: OBD2 Car Diagnostics

Check Engine Light & Repairs

Free

This AI-powered assistant helps with vehicle diagnostics, repair, and parts lookup. It provides detailed repair guides, intelligent diagnostic support, and a comprehensive parts database to save time and reduce costs.

Tinker DIY

Live Help for Auto DIYers

Free

Instantly connect with certified automotive experts through live video chat for car repair help, pre-purchase inspections, or rideshare vehicle safety checks. Get professional guidance for buying, selling, or maintaining your vehicle.

CarDiag : Car Diagnostic OBD2

A Mechanic In Your Pocket

Free

Diagnose vehicle issues, turn off the check engine light, and manage maintenance digitally. This app provides insights into car problems, repair tips, and cost estimations, empowering users to handle car diagnostics independently.

OBD2 Car Scanner - Torque FixD

OBD2 ELM Diagnostic, Car HUD

Free

Diagnose your car's engine and transmission with real-time data, customizable dashboards, and emissions readiness checks. This app connects to your vehicle's OBD2 system via Wi-Fi or Bluetooth for comprehensive maintenance and performance insights.

OBD2 Car Scanner: AI Fix

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.

CarTube App - Car Play & Task

by Tram Nguyen Ngoc

Free

Transform your iPhone into a smart car companion. Connect via Bluetooth OBD adapter to view diagnostics, monitor performance, and manage maintenance tasks with reminders. Stay informed and organized about your vehicle's status.