Ok. So when I went back to the store to return my Jawbone Up, I decided to try again. This time I walked away with the Fitbit One.
-very small, worn on your belt or pocket. I really liked this compared to wearing it on my wrist
-least expensive of all the competition
-Bluetooth 4.0, completely wireless, just plug it in to charge once a week
-Tracks steps as well as floors climbed
-The software is not great
-sleep tracking doesn't seem very accurate at all
-sleep tracking requires a separate wristband (included)
I ended up keeping the Fitbit One. I like the product but ultimately this technology has a long way to go. Future generations of the product could be a lot better. I find it useful, and motivating, but most people could live without it. Because the sleep tracking is inaccurate and the wristband is annoying, I have stopped using the sleep tracking feature entirely.