Get your fare. anytime, anywhere. Taking the bus, Trolley, SPRINTER and COASTER in San Diego has never been easier now that you can get your MTS and NCTD transit passes right on your phone. REASONS TO GET COMPASS CLOUD: Buy and use fares instantly using a debit/credit card or PayPal. Buy a day pass, 30-day pass or COASTER fares. No need for cash or a traditional Compass Card. Store multiple tickets on your phone for future use. Pay a single fare or multiple fares for a group of riders. Register your debit/credit card (s) in our secure system. Purchase tickets on your phone or on any computer via the mobile ticketing website.