Stretch It App is the best online personal fitness trainer in America. Starting from stretching and yoga as your warmup or cool-off before and after working out, the best fitness routine, a diet plan, and a 12-monthly fitness program, you can get everything under one roof. When you want to start your fitness journey, you want to ensure that you are in the best hands of a personal trainer near you, who can guide you with the best exercise and helps you with the proper postures.