Fitbit Surge vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Fitbit Flex vs. Pebble Core vs. Michael Kors Grayson

 
Surge
Grayson
Alta HR
Flex
Core
Grayson
 FitbitSurgeRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$350$150$100$99$350
Release201620182017201320162018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration7 days24 hours7 days5 daysNA24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454128 x 36NANA453x454
Size1.26 inches1.39 inches1.4 inchesNANA1.39 inches
TouchNANA
TypeMonochrome LCDAMOLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables