223+ iOS apps curated and reviewed
The best obd2 fault codes with solution apps on iPhone average 4.4★ across 223+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.7★ (3) | Yes | Yes | May 2026 |
| 2 |  | Free | 4.6★ (5K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (32K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.6★ (26K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.4★ (6.1K) | Yes | Yes | Aug 2026 |
| 6 |  | $9.99 | 4.7★ (19K) | No | Yes | Aug 2026 |
| 7 |  | Free | 4.6★ (9.8K) | No | Yes | Aug 2026 |
| 8 |  | $9.99 | 4.2★ (2.1K) | No | Yes | Aug 2026 |
Decode automotive trouble codes with a comprehensive database and detailed explanations. Find step-by-step guides to diagnose and resolve issues, making car maintenance accessible for all users.
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.
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.
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.
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.
This app connects to your car's OBD2 port via a compatible adapter to read vehicle data. Monitor fuel economy, clear check engine lights, and create custom dashboards for real-time diagnostics and performance tracking.
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.
Turn your smartphone into a powerful vehicle monitoring and diagnostic tool. Track engine performance, fuel economy, and instantly diagnose check engine lights. Features advanced dashboards for performance analysis and off-roading.
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.
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.
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.
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.
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.
This app translates and explains car error codes in Arabic. It helps you diagnose vehicle issues without needing to visit a mechanic, providing detailed Arabic explanations for OBD codes.
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.
This app acts as a DIY car mechanic, allowing you to customize features, diagnose warning lights, monitor live data, and perform maintenance. Save time and money by handling common car tasks yourself.
Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live sensor data, and analyze performance with real-time graphs. Get AI-powered insights and detailed vehicle history reports.
This app provides advanced diagnostics for Jeep, Chrysler, and Dodge vehicles. It allows users to read and clear trouble codes, view live sensor data, and access settings across all vehicle modules, including ABS and transmission.
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.
This app transforms your device into a powerful car diagnostic tool. It allows you to monitor real-time sensor data, read and interpret diagnostic trouble codes (DTCs), and access detailed information about your vehicle's systems. Compatible with most cars manufactured after 1996.