Fitbit Flex 2 vs. Asus VivoWatch vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson

 
Flex 2
VivoWatch
WSD-F20A
Grayson
Flex
Grayson
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$160$399$350$100$350
Release201620182018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days1 day24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128320 x 320453 x 454NA453x454
Sizen/aNA1.32 inches1.39 inchesNA1.39 inches
Touchn/aNA
TypeLEDNALCDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSWear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables