The official mobile ticketing app from Caltrain! The Caltrain Mobile app lets you purchase and use fares instantly on your phone—anywhere, anytime. Just download the free app, register your debit/credit card or PayPal account in our secure system, and you're ready to go. WHY YOU'LL LOVE THIS APP: - No paper fares to keep track of. - No need to carry cash, count exact change, or find a ticket machine. - Buy and use fares instantly using a debit/credit card or your PayPal account. - Pay a single fare or multiple fares for a group of riders. HOW IT WORKS: 1. CHOOSE RIDER TYPE 2. CHOOSE YOUR STATION OF ORIGIN AND DESTINATION 2. CHOOSE FARE 3. CHOOSE QUANTITY 4. CHOOSE PAYMENT 5. CHECK OUT COMMON QUESTIONS: Q: Do I need to be connected to the Internet? A: Cellular network or a wireless Internet connection is required to purchase tickets, but you can use your activated tickets offline. Q: What if my battery dies? A: Just like with paper tickets, you're responsible for making sure you have a valid fare at all times, so be sure to plan ahead! IMPORTANT REMINDERS: - Don't uninstall the Caltrain Mobile app or erase your phone while you have active tickets on it. Your tickets are stored on your phone (which makes it possible to use them without a cellular network or a wireless Internet connection), so uninstalling the app can permanently erase your tickets! - Purchase your ticket right before boarding. - Show your ticket to the conductor upon request. - Watch your battery level! Just like with paper tickets, you're responsible for making sure you have a valid fare at all times.