If you're concerned about your weight and you want to keep detailed track of the caloric value of everything you eat, what you need is an application like Calorie Counter.
With this app installed, you can easily take note of everything that you eat, and the app will inform you of the number of calories, fats, and proteins that each item contains.
The application also includes different tools to help you manage your diet. There is the calendar, which allows you to note exactly what you should eat each day, and organize lunches ahead of time. Then there's the weight history tool that will keep you updated with how your body gains or loses weight through time.
Another feature included in Calorie Counter is the ability to assign exercise programs to keep you in top shape. So, if you're thinking about losing weight or just want to start taking better care of yourself, take a look and download this application.