The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Always Public, LLC:
Use Quick Stop DC to save your favorite metro stations and quickly see when the next train will arrive -in 1 click! Quick Stop DC even works with no cell signal! + Real-time metro arrivals + Continued cached countdown of the real-time arrivals, to give you the best possible train times. + Offline schedules available to use without cell signal + Locate stops using your location or by station name + Get line alerts and status updates + Get elevator and escalator status alerts for saved stations+ Remove ads in-app purchase + Compatible with iOS6 and 7 Quick Stop DC was designed for those who call the DC area home. Please Note Quick Stop DC is not commissioned by the WMATA. Every effort is made to assure that we are using the most up-to-date schedule times available from the WMATA.