Polar M400 vs. Garmin Vivosmart HR vs. Fitbit Charge vs. Polar Loop vs. Mobvoi TicWatch e2

 
M400
Vivosmart HR
Charge
Loop
TicWatch e2
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$170$130$100$200
Release20142015201420132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days7-10 days5 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68NANA360 x 360
Sizen/a1.08 inchesNANA1.2 inches
TouchNA
Typen/an/aOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM2 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANAWear OS
Apps
Music

All Wearables