Polar M400 vs. Polar A360 vs. Fitbit Charge vs. Mobvoi TicWatch S2 vs. Garmin Vivosmart 4

 
M400
A360
Charge
TicWatch S2
Vivosmart 4
 PolarM400Remove Buy NowPolarA360Remove Buy NowFitbitChargeRemove Buy NowMobvoiTicWatch S2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$200$130$180$130
Release20142015201420192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days7-10 days2 DAYS7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80NA400 x 40048 x 128
Sizen/a1.18 inchesNA1.39 inches0.74 inches
TouchNA
Typen/an/aOLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR301 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables