2025-09-09 00:00:00 Your free Chiltern Railways app helps make journey planning, accessing the latest travel information and buying your tickets even easier. It’s simple and secure to purchase your Chiltern Railways e-ticket through the app, download to your phone and use for your next journey. And if you’re planning to travel anywhere else on the GB rail network, you can buy your ticket on the Chiltern app too. And when you buy train tickets through our app, we’ll never charge you a credit card, debit card or booking fee. So, it’s goodbye pesky queues at the ticket office. And hello cheapest Chiltern fares around!