Pebble Time Round vs. Polar Loop 2 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Jaybird Reign vs. Michael Kors Grayson

 
Time Round
Loop 2
Grayson
Charge 3
Reign
Grayson
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$120$350$150$150$350
Release201520152018201820152018

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)24 hours7 days5 days24 hours
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 18NA453x454
Sizeroundn/a1.39 inches.721 inchesNA1.39 inches
TouchNA
Typee-paperLEDAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM1 ATM5 ATMNA1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables