This app provides automotive professionals with fast, in-depth vehicle diagnostics. It offers comprehensive coverage of diagnostic trouble codes and repair estimates, helping users protect profits and reduce risk.




247+ iOS apps curated and reviewed
CarDr is the household name in obdiq, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (6) | No | No | Jun 2026 | |
| 2 | Free | 3.4★ (5) | No | No | Aug 2026 | |
| 3 | Free | 5.0★ (1) | No | No | May 2026 | |
| 4 | Free | — | No | No | Aug 2026 | |
| 5 | Free | 5.0★ (1) | No | Yes | Aug 2026 | |
| 6 | Free | 1.0★ (1) | No | No | Aug 2026 | |
| 7 | Free | — | No | No | Aug 2026 | |
| 8 | Free | — | No | No | Aug 2026 |




This app provides automotive professionals with fast, in-depth vehicle diagnostics. It offers comprehensive coverage of diagnostic trouble codes and repair estimates, helping users protect profits and reduce risk.





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.




This professional car diagnostic app connects to UJS OBDII devices via Bluetooth to read and clear fault codes, monitor real-time vehicle performance, and analyze travel data. It supports multiple languages and offers high-speed, low-power data transmission.




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 application allows users to enable or disable password protection for their LeLink OBDII adapter. It guides users through the configuration process, ensuring secure access to the adapter's functions. The app requires the adapter to be powered on within a specific timeframe for setup.






This tool allows developers and researchers to debug and explore OBD-II adapters using Bluetooth Low Energy. It facilitates direct interaction with ELM327 adapters, analyzes communications, and identifies supported PIDs for vehicles.


This utility app connects to your vehicle's onboard diagnostics system via an ELM327 WiFi adapter. It allows you to check your car's version and supported protocols, and includes example commands for troubleshooting.


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.


This utility allows real-time control of Freematics OBD-II Emulators via Bluetooth Low Energy. Users can adjust PIDs, DTCs, and VIN, and easily manage custom knobs for different data points.


Diagnose vehicle issues and access repair solutions. This app connects wirelessly to your car's OBDII port to scan and clear trouble codes, monitor battery health, and provide detailed repair reports based on millions of reported fixes.


This application connects to your vehicle via Bluetooth to perform diagnostics and offer driving assistance. It can read and clear fault codes, analyze performance, and track your journeys. Supports multiple languages and high-speed data transmission.


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.


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.






This application connects to your car's OBDII interface via Wi-Fi using an ELM327 module. It provides a step-by-step guide to help you set up the connection and start reading data from your vehicle's diagnostic system.


Easily connect to your car's OBD2 port to monitor its performance in real-time. The app guides you through the connection process and supports various OBDII protocols for comprehensive diagnostics.