Polar M400 vs. Garmin Vivosmart HR vs. Michael Kors Access Sofie vs. Polar Loop vs. Fitbit Versa 2

 
M400
Vivosmart HR
Access Sofie
Loop
Versa 2
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsAccess SofieRemove Buy NowPolarLoopRemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$200$170$395$100$199
Release20142015201720132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1 day5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68390 x 390 1.19 inchesNA300 x 300
Sizen/a1.08 inchesNA1.34 inches
TouchAMOLDED
Typen/an/aLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables