Withings Pulse O2 ( blue)
A new wristband and new firmware improve the Pulse and make it a true fitness band, but it's not a big leap forward over last year.
The Fitbit Zip is the best fitness tracker you can buy for under $60.
Fitbit Ultra ( plum)
The Ultra extends Fitbit's already impressive personal fitness data measurement abilities, but for the same $99.95 price. Already a high-tech pedometer, the Ultra now has an altimeter to record stairs climbed, too. It isn't as advanced as more expensive mobile fitness gadgets, but the tiny device is easy to wear all day long and fun to use.