Quick Review: FitBit Flex

Summary:  A stylistically simple, wrist-based wireless movement tracker designed to track steps walked or ran and sleep cycles to bring greater visibility of daily activity levels. This type of tracker is most appropriate for individuals who prefer to wirelessly track sleep, food intake, and any exercise which uses the legs and arms, to help them achieve higher fitness goals.  No on-screen readout, but it does provide many of the standard capabilities for fitness trackers, such as steps taken, distance moved, sleep quality, and calories burned.

Optimal Market:
Users with Windows Phone devices would be well served by this tracker, as it, and the FitBit One are the only major fitness trackers to support the Windows Phone platform.  In addition, users who prefer to keep a fitness tracker on their wrists, and who do not perform activities with their wrists stationary, should consider this device.

Sub-Optimal Market:
As this is a wrist-based tracker, those persons who regularly perform physical activites where their wrists are stationary, such as biking, mowing the lawn, etc., would not enjoy this device as their activities would not be registered.


  • Wrist-Based:  Requires that the arms / wrists be in motion to detect movement and register calories burned.
  • Multiple parts to lose:  with three small parts, the FitBit Flex may not be appropriate for forgetful persons.

Requirements (any one of the following):

  • PC (Windows XP, Vista, 7, or 8)
  • Mac (OS X 10.5 or higher)
  • Bluetooth 4.0 SmartPhone (e.g. iPhone 4s / 5 / 5s, iPad 3 / Mini, iPod Touch 5th gen, Samsung Galaxy S III or 4, Samsung Note 10.1 / Note II / Note III, some Windows Phone 8.x devices, such as the Nokia Lumia 1520)
  • Bluetooth Smart Ready Device

Approximate Retail Price:  $99.95



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