Polar M400 vs. Polar A360 vs. Michael Kors Access Sofie vs. Mobvoi TicWatch S vs. Garmin Vivofit 4

 
M400
A360
Access Sofie
TicWatch S
Vivofit 4
 PolarM400Remove Buy NowPolarA360Remove Buy NowMichael KorsAccess SofieRemove Buy NowMobvoiTicWatch SRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$200$200$395$199$79.95
Release20142015201720172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days1 day1.5-2 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80390 x 390 1.19 inches400 x 40088 x 88
Sizen/a1.18 inches1.4 inchesNA
TouchAMOLDED
Typen/an/aOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR301 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Android Wear 2.0
Apps
Music

All Wearables