US Airways MasterCard does not currently offer their customers a mobile app for iOS or Android. We recommend contacting US Airways MasterCard and letting them know you would be interested in using a mobile app for their services.
Support resources for US Airways MasterCard are available online at www.usairwaysmastercard.com. The information listed on that page can help if you need to update your account or have other questions about your bill or statement. Reach US Airways MasterCard via phone at (302) 622-8990.