Pebble Steel vs. Moov Now vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Polar Loop vs. Michael Kors Grayson

 
Steel
Now
Grayson
Vivofit 4
Loop
Grayson
 PebbleSteelRemove Buy NowMoovNowRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$79$350$79.95$100$350
Release201420152018201820132018

Activity & Fitness

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

Battery

Duration5-7 days6 months24 hours1 year5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a453 x 45488 x 88NA453x454
Size1.26 inchesn/a1.39 inchesNANA1.39 inches
Touchn/a
Typee-papern/aAMOLEDNALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/a1 ATM5 ATM2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables