Fitbit Flex 2 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Jawbone UP4 vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Flex 2
Stratos
Grayson
UP4
Watch Series 4
Grayson
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$199$350$200$329$350
Release201620182018201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hoursNANot Yet24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300453 x 454NA384 x 480453x454
Sizen/a1.34 inches1.39 inchesNA1.78 inches1.39 inches
Touchn/aNA
TypeLEDOLEDAMOLEDNAMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearNAWatch OS 5Android Wear
Apps
MusicNA

All Wearables