206+ iOS apps curated and reviewed
Looking for free fault codes apps? 18 of our 206+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
Quickly diagnose boiler faults without a manual. Access a comprehensive database of fault codes, causes, and solutions for popular UK boiler models. Includes manufacturer contact details for immediate assistance.
Easily diagnose issues with your Toshiba air conditioning unit. Enter the displayed fault code to receive troubleshooting guidance and understand potential problems.
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.
Transform your smartphone into a powerful car diagnostic tool. Easily scan, diagnose, and customize your vehicle's settings. Access advanced features like coding and live data to save time and money on car maintenance.
Generate secure access codes for your online accounts with this intuitive app. It offers a fast, seamless, and reliable way to protect your personal information and manage account security with ease. Stay in control of your online security.
Unlock hidden features and customize your BMW, MINI, or Toyota Supra. This app allows you to individually configure your vehicle for a personalized driving experience. Requires a compatible OBD adapter.
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.
This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.
This app is a powerful tool for scanning and generating QR codes and barcodes. It offers extensive customization options for code design, including logos and colors. Advanced features like encryption, URL safety checks, and inventory scanning make it a versatile solution for personal and professional use.
This app provides Daikin service contractors with instant access to all technical and service information for Daikin products. It includes product specifications, manuals, error code troubleshooting, interactive field settings, and service videos. The app works online and offline, syncing data automatically for the latest updates.
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.
Securely store, generate, and autofill passwords and other sensitive information with a single master password. Syncs across all devices and offers advanced security features.
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 provides a digital platform for accessing and managing building codes and standards. It offers advanced search, note-taking, and collaboration features to streamline research and compliance for code users. Unlock hundreds of titles for offline access and stay updated with the latest interpretations and changes.
Test your electrical knowledge daily with a new question based on the US electrical code. Perfect for apprentices, journeymen, and masters seeking to learn or refresh their understanding of electrical concepts and regulations.
This app allows users to perform vehicle diagnostics using their smartphone when paired with a special adapter. It helps identify and clear diagnostic trouble codes, review emissions status, and access live sensor data for faster repairs.