Fitbit Flex 2 vs. Garmin Vivosmart 3 vs. Polar A370 vs. Michael Kors Access Sofie HR vs. Apple Series 6

 
Flex 2
Vivosmart 3
A370
Access Sofie HR
Series 6
 FitbitFlex 2Remove Buy NowGarminVivosmart 3Remove Buy NowPolarA370Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$139.99$179.95$395$399
Release20162017201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysUp to 3 days2 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 128160 x 80390 x 390384 x 480
Sizen/aNA1.18 inches1.19 inches40mm
Touchn/a
TypeLEDOLEDTFT LCDOMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATMWR300.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatchOS 5
Apps
Music

All Wearables