I'd give it a zero if I could. I was forced to install the app because Vail Resorts has decided to no longer publish paper maps for Breckenridge. I thought I might like some features like liftline wait and GPS tracking. The tracking never worked despite major time spent debugging it. On a ski slope, the screen on a phone is practically unreadable through glasses and goggles in the bright sun and glare; GIVE US BACK PAPER MAPS. DON'T WASTE YOUR TIME AND PHONE MEMORY ON THIS APP.