The Avenge Fitness Training App is for customers:
http://www.avengefitess.com. It is used to interact with your individual trainer as well as track progress, workouts, and meals.
The app connects to wearable devices like Apple Watch (synced to Health app), Fitbit and/or Withings to sync body stats instantly. It also integrates into existing apps such as MINDBODY, InBody or MyFitnessPal.