iTrackernet is a free iPhone application developed by Ryan Forsyth. It falls under the category of Education & Reference and is specifically designed for TfL Tube drivers and other internal operating officials.

With iTrackernet, users can locate their train in real-time, allowing for better time management and efficient planning of their working day. The app also allows users to add duty books and easily search for their train by selecting its unit number from inside the duty book.

This app is a must-have for TfL Tube drivers and other internal operating officials, as it provides them with the necessary tools to stay updated and organized. As mentioned in "On The Move Magazine," iTrackernet is a reliable and user-friendly solution for real-time train tracking on the iPhone.