Operation Bikini

If you're on a diet, this application allows you to track your progress.
It will help you register daily: your weight, fat percentage (if you have a body composition scale), diet monitoring, body exercise and any other comments or information you want.
 
It will check all measurements stored in its database. It also email data.
 
You can see your progress on a dynamic graph which moves through the finger at the date you want and where you can include tags to mark a particular date of interest for you.
Also, it allows you to see the trend lines in the graph and the stats for the last week, last month, last three months..
 
All is managed in an easy and simple way.