Fine and Dandy, simple application that does what your dietician does for you. i.e. Calculations and inferences and advice.
It will calculate your BMI (Body Mass Index) and BMR (Basal Metabolic Rate) considering your weight, height, gender, Daily activity, Goal (you want to loose/gain/maintain weight) and age (including children above 2 years).
Then it will comment on your health status and recommend you the right diet plan to achieve your goal