Polar M600 vs. Apple Watch Series 2 vs. Jaybird Reign vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
M600
Watch Series 2
Reign
Access Sofie HR
Vivosmart 4
 PolarM600Remove Buy NowAppleWatch Series 2Remove Buy NowJaybirdReignRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$269$150$395$130
Release20162016201520192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days18 hours5 days2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240340 x 272 or 390 x 312NA390 x 39048 x 128
Size1.3 inches1.5 inches or 1.65 inchesNA1.19 inches0.74 inches
Touchn/aNA
TypeTFTAMOLEDLEDOMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85ATMNA0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWatch OSNAWear OS
Apps
Music

All Wearables