This application kind of picks and chooses when it wants to work properly. I just waved my phone by accident if you times trying to shake a piece of hair off of my hand and it recorded eight steps. So I know this is incorrect. I don't really use pedometers to measure any kind of caloric or distance related data, I really just use it to make sure I'm at least somewhat active during my mostly sedentary job Monday through Friday. You have to really be disciplined with this app as with all pedometer apps, and have your phone on you constantly, which I do not always do. To get an accurate measure you have to walk with your phone even to the bathroom in your own house. So it would be better to have some kind of wearable pedometer like the old-school ones, or the new school, expensive models like a fit bit or something ridiculously overpriced like that. I would not recommend this as any kind of professional cool if you're considering serious weight loss or serious athletic fitness changes.