Fitbit Flex 2 vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Flex vs. Pebble Core vs. Michael Kors Grayson

 
Flex 2
WSD-F20A
Grayson
Flex
Core
Grayson
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$399$350$100$99$350
Release201620182018201320162018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days1 day24 hours5 daysNA24 hours
Rechargeable

Compatibility

Android
iOSNA
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
PhoneNA
VibrationNA
Voice

Hardware

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

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWear OSAndroid WearNANAAndroid Wear
Apps
Music

All Wearables