Five Apps to Spice Up Your Exercise Routine in 2013
Cardiio transforms your phone camera into a touch-free heart rate monitor. Yeah you read that right. The app analyzes the light reflected off of your face to tell you your pulse. Aside from this being completely mind-boggling as a technological advancement, it's great for people who want minimal workout assistance. You can use Cardiio to see if you are in your target calorie-burning zone, and then put it away and continue with your jog. Simple and useful.