Polar M600 vs. Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Jaybird Reign vs. Michael Kors Access Sofie HR

 
M600
Flex 2
Vivosmart HR
Reign
Access Sofie HR
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowJaybirdReignRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$330$100$170$150$395
Release20162016201520152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a160 x 68NA390 x 390
Size1.3 inchesn/a1.08 inchesNA1.19 inches
Touchn/an/aNA
TypeTFTLEDn/aLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATMNA0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aNAWear OS
Apps
Music

All Wearables