You can check which exercises are on your program and view a short video tutorial of the exercise you're about to perform.
You can record your progress and even record yourself performing the exercise in order to receive feedback on the exercise form.
You can chart your progress and use it as a bench mark for future workouts which in turn is a great motivational tool to fuel future goals.
No more bulky notebooks or lost bits of paper where you recorded your sets and reps. This app will take care of everything for you.