Polar M400 vs. Motorola Moto 360 (1st Gen) vs. Fitbit Charge 3 vs. Fitbit Charge HR vs. Mobvoi TicWatch S2

 
M400
Moto 360 (1st Gen)
Charge 3
Charge HR
TicWatch S2
 PolarM400Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitCharge 3Remove Buy NowFitbitCharge HRRemove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$150$150$150$180
Release20142014201820152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day7 days5 days2 DAYS
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 26066 x 18NA400 x 400
Sizen/a1.56 inches.721 inchesNA1.39 inches
TouchNA
Typen/aLCDOLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAWear OS
Apps
MusicNA

All Wearables