Brogrammer - Easy fitness for the busy bees
Strong.app - Strenght training logger.
Nike+ FuelBand - Nike+ FuelBand is the product of Nike Inc.
wger - FLOSS workout, fitness and weight manager/tracker written with Django
Nike Training Club - Your ultimate personal trainer
Bolt - Workout Tracker - Track your progress in the gym and discover new workouts with the most intuitive workout tracker for weight lifting on the App Store.