Heart Rate/Activity Tracker

nobleh5

This past week I had the nike fuel band in my online shopping cart for purchase. I am all about saving money if possible so I started looking around and came across the Polar Loop Activity Tracker which seems pretty good too. They each have about the same amount of reviews, good and bad. I know there are many more out there though.
Does anyone have any recommendations for monitors that involve the following?
*Heart Rate Monitor
*Activity Tracker
*Calories
*Sleep

Or any monitor that you really love?

Thank You!