Polar Loop 2 vs. Michael Kors Grayson vs. Jaybird Reign vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Fitbit Inspire 3

 
Loop 2
Grayson
Reign
Forerunner 45
Grayson
Inspire 3
 PolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowJaybirdReignRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$120$350$150$199$350$100
Release201520182015201920182022

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours5 days7 days24 hours10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA208 x 208453x45432x18
Sizen/a1.39 inchesNA1.04 inches1.39 inches46 inches
TouchNA
TypeLEDAMOLEDLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATMNA5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNABuilt-inAndroid Wear
Apps
Music

All Wearables