Cydia - An alternative app store for jailbroken devices.
MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.
Zestia - Zestia is a mobile app designed to assist you in organizing your hectic schedule, social life, and professional persona.
Lose it! - Snap a photo of your food to get nutritional facts
JazzMyApp - Let JazzMyApp surprise you with amazing apps everyday. Try it out yourself.
Noom - Get life-long weight-loss results