YB Races is a free Android app developed by Rock Seven Mobile that enables users to track live yacht races on their mobile devices. With this app, you can easily keep up with all the action and stay informed about the latest developments in the race.

The app offers a range of key features, including the ability to view yacht and team information, check out live leaderboards, and review the map, rhum line, and wind information. The app also includes quick buttons that allow you to see the leaders in the race and the entire fleet. Additionally, you can stay up to date with social media and news about the races, and the replay facility enables you to scrub backwards and forwards in time through the races. Customisable e-mail race notifications are also available, and you can utilise your existing YB account to log in.

It's worth noting that an internet connection is required to use this app. Overall, YB Races is an excellent app for anyone interested in yacht racing, and it offers a comprehensive and user-friendly experience that is sure to impress.