JEFIT - Jefit is the #1 popular gym workout app for Android and iOS. Jefit allows you to manage your training routine and keep track of your workout progress easily.
FitItUp: Workouts&Food Tracker - Workouts&Diet Tracker
Fitness22 - Gym Workout Trainer & Tracker Gym Workout Trainer & Tracker
Fitocracy - Fitocracy is a social network that turns exercise into a cooperative and competitive exercise with friends, rivals, and strangers.
Gravitus - The app for lifters.
Strava - The #1 app for runners and cyclists