Fitbit Flex 2 vs. Fitbit Zip vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Jaybird Reign vs. Michael Kors Grayson

 
Flex 2
Zip
Grayson
Charge 3
Reign
Grayson
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$60$350$150$150$350
Release201620122018201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months24 hours7 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 45466 x 18NA453x454
Sizen/an/a1.39 inches.721 inchesNA1.39 inches
Touchn/aNA
TypeLEDn/aAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant1 ATM5 ATMNA1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables