Railboard is a train times and train tickets iPhone app, available on the App Store. As well as regular train tickets, it also sells Split Tickets.
Railboard’s five tabs
Routes — Easily open recent route searches and save the most important for quick access.
Pinned — Pin specific trains and journeys for easy access later on.
Live trains — Great for up-to-date and full information about direct trains departing or arriving soon.
Planner — Useful for planning multi-part journeys in the future and for buying tickets.
My tickets — Your upcoming and previously purchased train tickets.