Polar M400 vs. Fitbit Flex 2 vs. Samsung Gear Fit2 vs. Michael Kors Access Sofie vs. Garmin Vivosmart 3

 
M400
Flex 2
Gear Fit2
Access Sofie
Vivosmart 3
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowSamsungGear Fit2Remove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$200$100$180$395$139.99
Release20142016201620172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days5 days3-4 days1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a432 x 216390 x 390 1.19 inches64 x 128
Sizen/an/a1.5 inchesNA
Touchn/aAMOLDED
Typen/aLEDSuper AMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP681 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizenAndroid Wear 2.0
Apps
Music

All Wearables