Unable to make in-app purchases – Jillian Michaels Slim-Down: Weight Loss, Diet, Fitness, Workout & Exercise Solution Review

I would like to upgrade to the "Pro" level because I really like the program. Unfortunately, there seems to be a bug...I am unable to make in-app purchases. What a total waste.
Review by CC3498 on Jillian Michaels Slim-Down: Weight Loss, Diet, Fitness, Workout & Exercise Solution.