Polar Loop 2 vs. Amazfit Bip vs. Asus VivoWatch vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson

 
Loop 2
Bip
VivoWatch
Grayson
Charge
Grayson
 PolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$99.99$160$350$130$350
Release201520182018201820142018

Activity & Fitness

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

Battery

Duration8 days (without notifications)30 days24 hours to 10 days24 hours7-10 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a176 x 176128 x 128453 x 454NA453x454
Sizen/a1.28 inchesNA1.39 inchesNA1.39 inches
TouchNA
TypeLEDNANAAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance2 ATMIP68IP671 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSAndroid WearNAAndroid Wear
Apps
Music

All Wearables