Fitbit Surge vs. Fitbit Flex 2 vs. Fitbit One vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson

 
Surge
Flex 2
One
Grayson
Core
Grayson
 FitbitSurgeRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$100$100$350$99$350
Release201620162012201820162018

Activity & Fitness

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

Battery

Duration7 days5 days10-14 days24 hoursNA24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a453 x 454NA453x454
Size1.26 inchesn/an/a1.39 inchesNA1.39 inches
Touchn/aNA
TypeMonochrome LCDLEDOLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplast Resistant1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables