Polar Loop 2 vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Fitbit Inspire HR

 
Loop 2
SmartBand 2
ZenWatch 3
Grayson
Grayson
Inspire HR
 PolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$120$130$229$350$350$99
Release201520152017201820182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 days48 hours24 hours24 hours5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400453 x 454453x454139 x 60
Sizen/an/a1.39 inches1.39 inches1.39 inches1.4 inches
Touchn/a
TypeLEDn/aAMOLEDAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP581 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Android WearAndroid WearFitbit OS
Apps
Music

All Wearables