Polar M600 vs. Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Michael Kors Access Sofie HR vs. Apple Series 6

 
M600
Flex 2
Vivosmart HR
Access Sofie HR
Series 6
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$330$100$170$395$399
Release20162016201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days2 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a160 x 68390 x 390384 x 480
Size1.3 inchesn/a1.08 inches1.19 inches40mm
Touchn/an/a
TypeTFTLEDn/aOMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIPX85 ATM5 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aWear OSWatchOS 5
Apps
Music

All Wearables