Fitbit Flex 2 vs. Michael Kors Grayson vs. Fitbit Flex vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Flex 2
Grayson
Flex
Watch Series 4
Grayson
Vivosmart 4
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$350$100$329$350$130
Release201620182013201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 daysNot Yet24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NA384 x 480453x45448 x 128
Sizen/a1.39 inchesNA1.78 inches1.39 inches0.74 inches
Touchn/aNA
TypeLEDAMOLEDLEDMicroLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMNot Yet1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWatch OS 5Android Wear
Apps
Music

All Wearables