Polar M600 vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR

 
M600
Access Sofie
Flex
Watch Series 4
Access Sofie HR
 PolarM600Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$330$395$100$329$395
Release20162017201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day5 daysNot Yet2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240390 x 390 1.19 inchesNA384 x 480390 x 390
Size1.3 inchesNA1.78 inches1.19 inches
Touchn/aAMOLDEDNA
TypeTFTLEDMicroLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX81 ATM1 ATMNot Yet0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wear 2.0NAWatch OS 5Wear OS
Apps
Music

All Wearables