You cant mark when you completed a meal or a day successfully (we all need positive reinforcement). You cant mark when you blow it (humans are not perfect). Some Meals are not in the book. You cant use it on your iPhone and iPad at the same time.
I LOVE, Love the eating plan- it really works. The APP though is a waste of money- sad face.
Mamaswy about The Fast Metabolism Diet, v2.9.3