Pebble Time Round vs. Polar M600 vs. Garmin Vivosmart vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
Time Round
M600
Vivosmart
Grayson
Vivofit 4
Grayson
 PebbleTime RoundRemove Buy NowPolarM600Remove Buy NowGarminVivosmartRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$330$170$350$79.95$350
Release201520162014201820182018

Activity & Fitness

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

Battery

Duration2 days2 days7 days24 hours1 year24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240128 x 16453 x 45488 x 88453x454
Sizeround1.3 inches1.41 inches1.39 inchesNA1.39 inches
Touchn/a
Typee-paperTFTOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IPX85 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/aAndroid WearAndroid Wear
Apps
Music

All Wearables