228+ iOS apps curated and reviewed
Out of 228+ fault detection 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.
This AI-powered assistant helps drivers identify potential car issues and suggests repair steps. Simply input symptoms to receive intelligent insights and manage multiple vehicles. It's designed to help you understand your car's condition and make informed repair decisions.
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.
This diagnostic tool tests NOx sensors by connecting to the sensor's circuit board and probe. It activates the sensor, collects data on NOx and oxygen levels for three minutes, and analyzes the results to identify faults and generate a report.
This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.
Perform comprehensive vehicle diagnostics, including reading data flow, fault codes, and vehicle information. Generate professional diagnostic reports for major automobile manufacturers. Features one-key diagnosis and automatic VIN reading.
Transform your phone into a powerful car diagnostic tool with this app. It offers comprehensive system scans, full OBDII functionality, and specialized maintenance services for a wide range of vehicle brands. Easily identify issues, access repair data, and generate detailed reports wirelessly.
This diagnostic tool connects to trucks via Bluetooth to read and clear fault codes, monitor data streams, and perform DPF regeneration and speed limit calibration. It supports various popular truck engine models and offers real-time updates for advanced functions.
This tool connects to your car's OBD adapter via Bluetooth to collect real-time engine data, read fault codes, and provide solutions. It also records driving data, analyzes performance, and offers a HUD display for a safer and more enjoyable driving experience.
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.
This app helps identify machine fault conditions by analyzing spectrum symptoms and machine types. It offers explanations, sample spectra, and diagnostic guidance, functioning like a portable reference guide for troubleshooting. Users can navigate through symptoms, machine types, or fault types to find potential issues.
This application provides comprehensive vehicle diagnostics, allowing users to read and clear error codes, view live data streams, and perform maintenance resets. It supports full OBD2 diagnostic modes and offers a dashboard for monitoring vehicle performance. Diagnostic data can be saved and shared.
Access comprehensive OBDII functions for free, including oil resets, EPB, and SAS. Automatically identify vehicles with VIN technology and generate shareable repair reports. Expand functionality with optional in-app purchases.
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.
This app connects to a smart OBD dongle to provide vehicle health checks, diagnosis, and real-time monitoring. It helps identify fault codes, analyze driving habits, and offers maintenance reminders for enhanced driving safety.
Decode diagnostic error audio signals from supported Lenovo workstations and ThinkPad P series laptops, even when the system won't boot. Check warranty status, look up codes, and manage all diagnostic events in one place.
This diagnostic software package provides advanced functionality for Asian vehicles. It requires the MaxiAP200 main program to operate, offering detailed vehicle diagnostics.
This platform monitors the condition of rotating equipment, providing an intuitive interface to operational data and machine records. It helps detect and diagnose machine failures earlier through vibration, temperature, and pressure monitoring, with advanced analysis tools.
Access all OBDII functions for free and get one free vehicle software with your initial purchase. This app supports up to 19 specific functions like Oil Reset and EPB, with options to expand coverage via in-app purchases. It also features auto VIN identification and generates shareable repair reports.
Learn to troubleshoot electrical circuits with a virtual voltmeter and PLC logic. This app offers 17 random electrical problems for a challenging learning experience, allowing you to practice identifying issues in motor starters and control circuits.