Apps similar to TravelTracker include Metro, which is free. Other options are c2c Train Travel. Between them they cover iPhone, iPad, the web and Android.
Métro is your free guide on PDA to public transport systems (buses,metro,tram,trains). 400 cities are covered now worldwide: http://metro.nanika.net/MetroV-en.html .
The c2c Train Travel app will make it easier than ever to plan your journey and buy tickets. Plus it will help you travel safely by reducing your need for contact with others on your journey as you can buy tickets, manage your Smartcard and check everything you need to know...
