244+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our obdii trouble codes lite list covers 244+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 2.1★ (7) | Yes | Yes | Aug 2026 |
| 2 |  | $3.99 | — | No | No | Jul 2026 |
| 3 |  | Free | 4.6★ (7) | Yes | No | Aug 2026 |
| 4 |  | Free | 2.8★ (15) | No | No | May 2026 |
| 5 |  | Free | 3.4★ (5) | No | Yes | Aug 2026 |
| 6 |  | Free | 1.0★ (6) | No | No | May 2026 |
| 7 |  | $2.99 | 5.0★ (2) | No | No | Aug 2026 |
| 8 |  | Free | 3.3★ (297) | No | No | Aug 2026 |
Access a comprehensive database of OBD II diagnostic trouble codes. Quickly look up definitions for generic and manufacturer-specific codes without an internet connection. Easily copy and share code descriptions.
Access a comprehensive offline database of over 18,500 diagnostic trouble codes for cars. Simply enter a fault code to get detailed descriptions without needing an internet connection or car model selection.
This app provides definitions and potential causes for On-Board Diagnostics (OBD) trouble codes. It covers a wide range of generic and manufacturer-specific codes for numerous vehicle models, helping users understand and potentially fix error codes.
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.
This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.
Instantly look up your car's check engine code with this comprehensive guide. Access descriptions and potential causes for codes from major manufacturers, supporting 15 languages. Empower yourself with knowledge to avoid being overcharged by mechanics.
This app provides definitions and potential causes for On Board Diagnostics (OBD) trouble codes. It helps users quickly identify and understand car diagnostic codes to facilitate repairs.
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.
This app helps mechanics perform vehicle drive cycles more efficiently. It provides real-time monitoring of emissions monitors and diagnostic trouble codes (DTCs), offering clear guidance and instant explanations to ensure vehicles pass inspection quickly and accurately.
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.
Instantly look up check engine codes for virtually any car. Access a vast database of generic and manufacturer-specific fault codes with descriptions and potential causes, even offline.
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.
Read and reset diagnostic trouble codes (DTC) to clear your check engine light. Monitor real-time engine data with charts and gauges, and export logs for analysis. Supports English and metric units.
This app connects to your vehicle via Bluetooth or WiFi to perform diagnostics and monitor driving. It reads and clears fault codes, analyzes performance, and tracks your travel data. Supports multiple languages and high-speed data transmission.
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 connects to your car via an OBD2 Bluetooth scanner to diagnose faults, read data like fault codes and sensor readings, and clear error lights. It also offers battery health checks, a customizable dashboard, and driving assistance features. Some models support special functions like maintenance resets.
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.
This app serves as a reference for standard Diagnostic Trouble Codes (DTCs) found in vehicles. It helps users understand fault codes generated by a car's onboard computer, aiding in problem diagnosis.
