Fitbit Flex 2 vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Flex vs. Jawbone UP4 vs. Michael Kors Grayson

 
Flex 2
WSD-F20A
Grayson
Flex
UP4
Grayson
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$399$350$100$200$350
Release201620182018201320152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day24 hours5 daysNA24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320453 x 454NANA453x454
Sizen/a1.32 inches1.39 inchesNANA1.39 inches
Touchn/aNANA
TypeLEDLCDAMOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATMNA1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearNANAAndroid Wear
Apps
MusicNA

All Wearables