OBD Tracker - ELM327 Terminal is an iPhone application developed by SMART Technologies GmBH. It falls under the Travel & Navigation category and is a useful tool for car owners who want to monitor their vehicle's performance.

This app is designed to communicate with an ELM OBDII (OBD2) car interface device. The supported ELM modules are network to serial interfaces that use wifi to establish communication. With the right OBD2 reader or scan tool, users can easily connect their device to the car's OBD2 port.

The app provides a step-by-step guide on how to use the OBD2 reader or scan tool, including locating the OBD2 port, powering on the car engine, and plugging in the pins of the OBD2 connector. Once connected, users can start reading the OBD2 data.

To use the OBD Tracker - ELM327 Terminal app, simply open it, click "SCAN," and select the correct OBD2 device from the list. The default IP addresses for the OBD2 devices areor.

Please note that for any questions or concerns, users can contact the developer for assistance.