PunchLab - Track the strikes you throw at the punching bag
Fitbod - Personalized Strength-Training powered by Machine Learning
Timerly - A real interval timer
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.
Liteboxer - An at-home boxing solution
Strong.app - Strenght training logger.