HopStop Transit Directions is the multi-service public transport app for iPhone that gives you all the information you need to make it to your choice destination in the quickest way possible. HopStop uses GPS, maps and real-time data to get you to your desired location by your choice of public transportation. With live bus, subway and train schedules, cycling and walking times (including calories burned), estimated taxi costs, as well as closest stations and transit maps, HopStop is one of the most thorough transit apps on the market.
You can also save your favorite trips and get travel advisory notifications (only currently available for the New York City Subway). HopStop is currently available in over 600 cities throughout the US, Canada, Europe, Australia and New Zealand.