Why is this app upside down? – xFit Lower Body – Daily Workout for Sexy Toned Leg and Thigh Muscle Review

Whenever I open fitness apps from this developer, they open upside down. And they don't rotate with screen. What's up? I would rate this app a five if it didn't have this annoyance.
Review by kmorgan003 on xFit Lower Body – Daily Workout for Sexy Toned Leg and Thigh Muscle.