Polar Loop 2 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Polar A370 vs. Garmin Vivosmart 4

 
Loop 2
ZenWatch
G-Shock GBA800
A370
Vivosmart 4
 PolarLoop 2Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$150$120$179.95$130
Release20152014201820172018

Activity & Fitness

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

Battery

Duration8 days (without notifications)NA2 yearsUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320160 x 8048 x 128
Sizen/a1.63 inches1.18 inches0.74 inches
Touch
TypeLEDAMOLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP5520 ATMWR305 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear
Apps
Music

All Wearables