Polar Loop 2 vs. Michael Kors Grayson vs. MobVoi TicWatch Pro vs. Polar A370 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Loop 2
Grayson
TicWatch Pro
A370
Grayson
Vivosmart 4
 PolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowMobVoiTicWatch ProRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$350$300$179.95$350$130
Release201520182018201720182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours30 daysUp to 3 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454400 x 400160 x 80453x45448 x 128
Sizen/a1.39 inches1.4 inches1.18 inches1.39 inches0.74 inches
Touch
TypeLEDAMOLEDOLED/FSTNTFT LCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATMIP68WR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables