The official iPhone App for Trinity Taxis Dublin. Enables registered users to book Fully Licenced Taxis direct from Trinity Taxis' dispatch system. iHAIL FUNCTION - uses the iPhone’s built-in GPS to determine your pickup point. Fine-tuning your pick-up point by using the iPhone’s on-screen map and built in GPS technology. LIVE TRACKING – shows you how far away your taxi is and gives you an estimated time of arrival, watch your taxi approaching on your iphone. FARE ESTIMATES – available when placing order, BOOKING HISTORY and FAVOURITE LOCATIONS , allows simple repeat bookings for regular journeys, or to regular destinations. The Trinity Taxis iPhone App also works in conjunction with the Trinity Taxis customer data base, allowing you to pay by cash on your account or using our on board chip and pin credit card option.