Fitbit Flex 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson

 
Flex 2
ZenWatch
WSD-F20A
Grayson
Loop
Grayson
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$150$399$350$100$350
Release201620142018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA1 day24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320320 x 320453 x 454NA453x454
Sizen/a1.63 inches1.32 inches1.39 inchesNA1.39 inches
Touchn/a
TypeLEDAMOLEDLCDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM1 ATM2 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables