Pebble Time Round vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Jaybird Reign vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Time Round
Grayson
Charge 3
Reign
Watch Series 4
Grayson
 PebbleTime RoundRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowJaybirdReignRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$350$150$150$329$350
Release201520182018201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours7 days5 daysNot Yet24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a453 x 45466 x 18NA384 x 480453x454
Sizeround1.39 inches.721 inchesNA1.78 inches1.39 inches
TouchNA
Typee-paperAMOLEDOLEDLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX71 ATM5 ATMNANot Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearNANAWatch OS 5Android Wear
Apps
Music

All Wearables