GymBook

Keep track of your sets and reps while working out at the gym.  Create your own routines with any of the default exercises, or add your own to the list. Once routines have been created, it's really easy to customize the order, or to add and remove additional exercises. If you don't want to create routines just click to the exercise log and record your workout data without creating any.

Track your body fat%, and lean weight mass with graphs. Find your 1 rep max(1RM).

You can keep notes for individual exercises, and there are also logs to review individual exercises. Just scroll right or left to view the workout log for each exercise. Charts are also included for you to keep track of your body's changes, and your workout data. And it's easy to get started, just a few clicks and your on your way. Also let's not forget, it's ad free.