Starters - Hacker news for sports tech
Tband - Tband is one of the best mobile apps introduced by Shenzhen Mi Dun Technology Co.
Fanly - Keep up with all of your favorite sports teams
fitbit - The Fitbit mobile app is for people who use Fitbit fitness trackers to keep track of their activity goals, food plans, and other fitness related things. Read more about fitbit.
Grandstand - Sports highlights straight from the crowd
Workouts by Muscle Booster - Workouts by Muscle Booster is an app that provides you the home as well as gym workout plans.