Pebble Time Round vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Jaybird Reign vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Time Round
Grayson
Charge 3
Reign
Grayson
Vivosmart 4
 PebbleTime RoundRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$350$150$150$350$130
Release201520182018201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours7 days5 days24 hours7 days
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 18NA453x45448 x 128
Sizeround1.39 inches.721 inchesNA1.39 inches0.74 inches
TouchNA
Typee-paperAMOLEDOLEDLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX71 ATM5 ATMNA1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearNANAAndroid Wear
Apps
Music

All Wearables