Pebble Steel vs. Garmin Vivosmart vs. Polar A360 vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson

 
Steel
Vivosmart
A360
Grayson
Charge
Grayson
 PebbleSteelRemove Buy NowGarminVivosmartRemove Buy NowPolarA360Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$170$200$350$130$350
Release201420142015201820142018

Activity & Fitness

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

Battery

Duration5-7 days7 days12 days24 hours7-10 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144128 x 16160 x 80453 x 454NA453x454
Size1.26 inches1.41 inches1.18 inches1.39 inchesNA1.39 inches
TouchNA
Typee-paperOLEDn/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR301 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables