Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Garmin Vivosmart 3 vs. Polar A370 vs. Garmin VivoActive 4

 
Flex 2
Access Sofie
Vivosmart 3
A370
VivoActive 4
 FitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosmart 3Remove Buy NowPolarA370Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$395$139.99$179.95$349
Release20162017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 daysUp to 3 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a390 x 390 1.19 inches64 x 128160 x 80260 x 260
Sizen/aNA1.18 inches1.3ionches
Touchn/aAMOLDED
TypeLEDOLEDTFT LCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Wear OS
Apps
Music

All Wearables