Fitbit Flex 2 vs LifeTrak ZoomHRV

Fitbit Flex 2 LifeTrak ZoomHRV
Model Fitbit
Flex 2

Basic Info

Suggested Price 99.95 139.99
Price Check Price* Check Price*
Release Oct 2016 Mar 2017


BestBuy Rating 4.4 5
Walmart Rating 3.0 0.0


Top Features
  • Keep track of daily activity levels
    Measures steps taken, distance traveled, calories burned and active minutes.
  • Easy viewing in low-light conditions
    Backlit LED display.
  • Splashproof design
    So you don’t have to worry if you get caught in the rain.
  • Syncs to select Apple®, Android and Windows devices
    Such as iPhone®, iPad®, iPod® touch and cell phones and tablets with Windows Phone or Android for simple wireless communication.
  • Set your daily goal and tag activities
    Fitbit dashboard app lets you sync your device to monitor your progress, and stay inspired by sharing and competing with friends and family.
  • *Distance/speed/pace can only be shared on 3G or 4G devices.
  • Apple, the Apple logo and iTunes are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. iPod is a trademark of Apple Computer, Inc.
  • iPad is a trademark of Apple Inc., registered in the U.S. and other countries
  • Measures calories burned and heart rate
    To help you monitor multiple fitness activities.
  • Keep track of daily activity levels
    Measures steps taken and swim laps.
  • Comprehensive monitoring
    Tracks sleep activity.
  • Waterproof design
    Allows you to wear the tracker while swimming.

All Features

Feedback Type Vibration alert
Battery Strength Indicator Yes
App Compatible Yes
Date/Time Display None None
Clock Display No
Programmable Yes
Rechargeable Yes
Manufacturer’s Warranty – Labor 1 Year Not Available
Wireless Syncing Yes
Silent Alarm Yes
Color Black Black
Water Resistant No Yes
Interface(s) Bluetooth
Watch Type Sport
Display Type LED None
Maximum Depth Of Water Resistance 0 feet 164 feet
Manufacturer’s Warranty – Parts 1 Year Not Available
Color Category Black Black
Battery Type Lithium-polymer Other
Product Name Flex 2 Activity Tracker ZoomHRV Activity Tracker + Heart Rate
Model Number FB403BK LTK7ZM002
Body Metrics Measured Calories burned Calories burned
Additional Accessories Included USB charging cable Charging cradle
Brand Fitbit LifeTrak
Mobile Operating System Compatibility Apple iOS None
GPS Enabled No
LED Lights Yes
Wearing Style Wrist Watch style
Number of Sensors 2
Heart RATE measured recovery zoom hr automatically monitors physical fatigue to assess personal recovery status and provides exertion recommendations for upcoming training sessions
Heart RATE sleep analysis during periods of deep sleep zoom hr is hard at work sampling resting heart RATE data essential to personal fitness analysis
Heart RATE cross-body detection unlike any wearable device, zoom hr seamlessly and accurately measures heart RATE data across the body from the ankle to the wrist to the forearm to the upper arm
Heart RATE + cadence analysis when worn on the ankle, zoom hr measures cycling cadence and heart RATE simultaneously and streams the combined data to leading cycle computers and to the zoom hrv app
Heart RATE underwater detection zoom hr accurately measures continuous heart RATE data underwater making it the only intensity-training tool for swimmers and tri-athletes

More Information

View Details & Price* View Details & Price*

Not interested in the Fitness Trackers compared on this page? Simply go back to our main article to start a new comparison between other fitness trackers now!

* affiliate links