Fitbod - Personalized Strength-Training powered by Machine Learning
MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.
WeTrain - On-demand, affordable personal trainers
Strong.app - Strenght training logger.
Kickoff (formerly Kudos) - A certified personal trainer via app & text for $3 a day
Fitocracy - Fitocracy is a social network that turns exercise into a cooperative and competitive exercise with friends, rivals, and strangers.