If you are trying to lose weight, this app could make it a little easier. My Fitness Pal will keep track of every exercise you do like running the treadmill, bicep curls, leg press, etc. It also will track how many calories you burn. The app's food journal has more than two-million individual items on file. You can also set up personal goals and connect to your friends who also use the app.
My Fitness Pal is available for free on the iPhone, Android, Blackberry, and Windows phones.