EurailInterrail Rail Planner for iphone from Eurail B.V.

Rail Planner is a free app that lets you discover all the trains that take you to the famous and attractive destinations in Europe.

It’s your best travel partner, showing you everything you need to know about every station: 

Explore: find out what to expect when you reach the station, get a quick glance at arrival and departure times for each station on your route, even when there’s no train there. Find your ideal train and follow it along the way to the next station.