Motorola Moto 360 Sport vs. Polar Loop 2 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. HTC re Grip

 
Moto 360 Sport
Loop 2
Grayson
Charge 3
Grayson
re Grip
 MotorolaMoto 360 SportRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$199$120$350$150$350$199
Release201620152018201820182020

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)24 hours7 days24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/an/a453 x 45466 x 18453x454160 x 32
Size1.37 inchesn/a1.39 inches.721 inches1.39 inches1.8 inches
Touch
TypeLCDLEDAMOLEDOLEDAMOLEDPMOLED

Functions

Audio Speakern/a
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistancen/a2 ATM1 ATM5 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid WearNA
Apps
Musicn/a

All Wearables