USGA Apps: Download for iOS and Android! USGA App Full coverage of all USGA championships, including the U.S. Open and U.S. Women's Open! Live scoring, highlights, streaming, news, video on demand, and more. Download for iOS Download for Android GHIN App The official mobile app of the Golf Handicap Information Network (GHIN), a service offered by the USGA to golf associations worldwide. Download for iOS Download for Android The Official Rules of Golf The USGA’s official app for the Rules of Golf, which is always kept up to date with the latest Rules content. Download for iOS Download for Android USGA Deacon Mobile app to help golf course owners and operators to manage their course. The app features daily application logging, connectivity to measurement devices and advanced weather functionality. Download for iOS Download for Android
