Fitbit Force review: A fitness tracker tour de force

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CNET Editors' Rating

4 stars Excellent
  • Overall: 8.4
  • Style: 9.0
  • Features: 8.0
  • Ease of use: 9.0

Average User Rating

2.5 stars 15 user reviews
Review Date:
Updated on:

The Good The Fitbit Force makes it easy to track steps, sleep, and calories. Its wrist strap design is lightweight, comfortable to wear, and also functions as a watch.The Force syncs wirelessly over Bluetooth, and Fitbit’s solution provides plenty of ways to sift through fitness data.

The Bad Closing the Fitbit Force’s strap shut is a challenge. Direct syncing is only available with newer iPhones, the Samsung Galaxy S3, S4, and Note 2 handsets.

The Bottom Line The Fitbit Force leaps to the top of the fitness tracker heap, with a bright screen, comfortable fit, and a bevy of slick features.

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Editors' note, February 21, 2014: Fitbit has halted the sale of this product after a small number of consumers experienced skin irritation while wearing it. (Our review sample created no problem for CNET editors during our testing period). Those users can return the product for a full refund. We'll update this review once Fitbit provides more details on the product's future.

When the Fitbit Flex was released last May, it volleyed for dominance with the Nike FuelBand and Jawbone Up in the emerging category of bracelet-style wearable fitness trackers. Less than six months later, though, the Flex is already old hat. The $130 Fitbit Force takes the same basic bracelet design and adds a real miniature OLED screen -- instead of a cryptic series of notification lights -- so you can see bright, legible readouts of your physical activity. In addition to toggling through all of that data -- your daily steps, how well you sleep, how many calories you consume -- you also get the time, making the Force a credible smartwatch (or, at least, a smart enough watch.)

No, the Fitbit Force can't log your heart rate like the Withings Pulse or automatically log your sleep like the Basis Band, and its call notification feature wasn't active during our initial testing. But the winning combination of its comfortable and water-resistant wristband design, the bright and legible OLED display, and Fitbit's easy-to-use iOS and Android companion apps make the Fitbit Force the best fitness tracker to date. You just might want to wait to see what Nike has on track for October 15 before adding the Force to your shopping cart, however.

Design
When I first laid eyes on the Force, for a moment I thought I thought I was dealing with an older product.That's because the Force sports the same wrist strap clasp and similar boxlike shape as the company's previous device, the Fitbit Flex.

Fitbit Force
The Fitbit Force looks a lot like the Fitbit Flex. Sarah Tew/CNET

Examining the Force closer, though, revealed many big differences between the two gizmos. First, the Force is larger than the Flex, which is especially noticeable when you place both gadgets side by side. That said, the Force isn't noticeably heavier than the Flex and is light enough that I often forgot it was on my wrist.

Additionally, while the Flex consists of a pebble-like section that slides into a soft silicone sleeve that also functions as a wrist strap, the new Force takes an entirely different approach. By contrast, the Force is one sealed unit that's also (like the Flex) water resistant.

Fitbit Force
The Force uses a closed not modular design. Sarah Tew/CNET

The upside to the Force's new design is you don't have to worry about the sleeve collecting water and dirt over time, a problem I ran into with the Flex, especially if you decide to shower with it. Trust me, the Flex's strap can get pretty funky if you don't wash it often. The downside of the Force's non-modular form is you can't pop the device into different-colored bands to suit your tastes. As it stands, the Force ships in a choice of slate and black hues.

The most significant new physical feature that the Force flaunts, and the primary cause of the Force's increased footprint, is its enhanced display. While the Flex uses a simple array of LED lights to convey its status, the Force boasts a true alphanumeric OLED screen. As a result, the Force can display all the information Fitbit's other belt-clipped trackers offer. This includes telltales for steps, distance traveled, calories burned, and stairs climbed. Also very useful is the clock readout, which is an excellent addition on a wristband-style device like this. It effectively transforms the Force into a high-tech fitness watch, a boast the older Flex can't make.

Fitbit Force
Push the Force's button to flip through its display screens. Sarah Tew/CNET

To cycle through the Force's various screens, simply press the device's physical button, which sits on its left side. It's another attribute the Flex lacks and makes interacting with the Force a more pleasant and responsive experience. The Flex, on the other hand, requires that you tap its screen to fire up its LED lights, something that works most of the time but occasionally doesn't register. Of course you can enable this tapping function on the Force, too, if you'd like.

The underside of the Force houses a recessed well and metal contacts. Essentially it's a port for connecting the USB charging cable included in the box.

Features
The new Fitbit Force flaunts all the powerful fitness-tracking features of its predecessors plus a few extra impressive capabilities. Just like the Fitbit Zip and Flex, the Force measures the steps you take using its built-in accelerometer. From there the product calculates how many calories it thinks you've burned based on your individual stats such as age, sex, weight, and height.

The Force also displays how much you've walked or run in distance traveled and, as with the Fitbit One, tells you how many stairs you've climbed -- another ability the Flex lacks. The Force keeps an eye on your most active minutes, too, which is a trendy feature working its way into more and more fitness products these days. According to Fitbit, this is an important stat to track, since the Centers for Disease Control recommends a regular dose of 150 active minutes a week.

Fitbit Force
The Fitbit app shows plenty of details and syncs via Bluetooth. Brian Bennett/CNET

In addition, I certainly appreciate how the Force can log the duration and quality of your sleep. The Flex and One can do this, and so can competing products such as the Jawbone Up and Withings Pulse. To activate, simply hold down the Force's button for a few moments, which kick-starts its timer. Press the key again when you rise from slumber, and the Force does its best to calculate your sleep stats. The Force functions as an alarm clock, too. A silent alarm will instruct the device to vibrate softly when you want it to.

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Where to Buy

Fitbit Force

Part Number: FB402BK Released: 10 Oct 2013
Pricing is currently unavailable.

Quick Specifications

  • Regional specs shown for US. AU specs are unavailable.

  • Release date 10 Oct 2013
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