I've been using mobile software to do basic steps counting, estimated calorie burn, and food logging. But lately, I've been thinking about a hardware accessory like Fit Bit. But the price of these things is obscene and quickly escalate me towards a smartwatch (which can do the health features). Are you fatties using any of this stuff? Is it just feel good fluff?
It's just used as a motivator. In the end, it's still all up to you. They give you a visual indicator of what you accomplished and stuff like fitbit have a huge userbase so they add social networking aspects so you can keep track of all of your friends' progress too.