Fitbit One

More secure clip ; Wireless syncing via desktop ; BT 4.0 for real-time data

Manual food tracking ; No GPS ; No cycle or swimming tracking

The Fitbit One is accurate, has great battery life and tracks pretty much everything you'd want it to. The proprietary charging cable is a pain, but it's a minor quibble about what it otherwise an excellent activity tracker.

The Fitbit One offers an intuitive way to track and analyze your sleep, the steps you take, stairs climbed, and calories burned. Small and light, the One is very portable. Its OLED screen, which has a clock, is easy to read. It sends data to phones...

The Fitbit One’s clip often comes loose. The One's Bluetooth syncing function only works with a few compatible handsets thus far.

The Fitbit One is a feature-rich pedometer, but the wristband-style Jawbone Up and Fitbit’s own Flex are more convenient and much better deals.

It's hard to choose between the Fitbit One and the Nike+ Fuelband as they each have strengths and weaknesses. If you simply want something that will motivate you to exercise more, the Fuelband wins. However, the Fitbit One will more accurately measure...

For fitness fanatics, the One is a great workout buddy. As long as you're inputting the relevant data into its companion apps, it works like a dream. Even if you're not setting any world records, but just want to become more active, or to track your...

Market leading hardware ; Bespoke accessories ; Great camera ; Relatively inexpensive

Too tall

Arguably the OnePlus One is the coolest smartphone around. The 5.5in Android device runs refined CyanogenMod software, models leading hardware and manages to do so from $299 in its home country of China. The real downside to this smartphone is its...

If all we wanted to do was track steps, calories burned, and stairs climbed, the Fitbit One would be our favorite tracker. Those not interested in easily tracking sleep or relying on vibrating alarms to alert them during the day (and night) will find...