242+ iOS apps curated and reviewed
The best jfind obd apps on iPhone average 3.7★ across 242+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | 4.5★ (1.1K) | No | No | Aug 2026 |
| 3 |  | Free | 1.4★ (5) | No | No | May 2026 |
| 4 |  | Free | 4.6★ (5K) | No | Yes | Aug 2026 |
| 5 |  | $9.99 | 3.0★ (88) | No | No | Aug 2026 |
| 6 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 |
| 7 |  | Free | — | No | No | Jul 2026 |
| 8 |  | Free | 5.0★ (2) | No | Yes | Aug 2026 |
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 application checks OBD protocols in cars by connecting to an ELM327 device. It supports all major OBD-II protocols and all versions of the ELM327 hardware, allowing you to check your device's version.
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.
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.
This app connects to your car's OBD-II port to provide diagnostics, health monitoring, and vehicle controls. It offers deep customization options for supported vehicles and adapters, all built natively for iPhone and iPad.
Transform your smartphone into a professional car diagnostic tool. This app reads and clears trouble codes, monitors live engine data, and uses AI to explain issues and provide repair guidance. It works with most vehicles and OBD2 adapters.
This app connects to your vehicle's OBD system via a WiFi adapter to display sensor data and diagnostic trouble codes. It includes a simulator for testing functionality without a physical connection.
Monitor your car's performance in real-time with virtual gauges and graphs. Diagnose and clear trouble codes to understand vehicle malfunctions before visiting a mechanic. Track fuel economy to save on gas.
This diagnostic tool connects to your vehicle's OBD data via a Bluetooth device. It allows you to read various ECU data and supports common OBD-II protocols.
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 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 application allows users to diagnose their car's performance in real-time. By connecting an OBD2 Bluetooth adapter, users can easily communicate with their vehicle and access essential diagnostic widgets. It supports a wide range of OBDII protocols for comprehensive car communication.
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 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.
This app acts as a professional OBD2 car scanner, enabling users to diagnose, service, and customize their vehicles. It offers comprehensive diagnostic modes, real-time data monitoring, and various service functions like oil resets and battery registration.
This app functions as a universal vehicle scanner using the OBD2 standard. It connects to your car via WiFi or Bluetooth 4.0 LE adapters to diagnose and scan electronic control modules. Users need a compatible ELM327 adapter to utilize its diagnostic capabilities.