Fitbit Charge 2 vs. Asus VivoWatch vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Fitbit Flex vs. Michael Kors Grayson

 
Charge 2
VivoWatch
Grayson
Charge HR
Flex
Grayson
 FitbitCharge 2Remove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$160$350$150$100$350
Release201620182018201520132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days24 hours5 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 128453 x 454NANA453x454
Sizen/aNA1.39 inchesNANA1.39 inches
Touchn/aNANA
TypeOLEDNAAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/aIP671 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSAndroid WearNANAAndroid Wear
Apps
Music

All Wearables