Fitbit Flex 2 vs. Fitbit One vs. Amazfit Stratos vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson

 
Flex 2
One
Stratos
Grayson
Core
Grayson
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$100$199$350$99$350
Release201620122018201820162018

Activity & Fitness

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

Battery

Duration5 days10-14 days5 days24 hoursNA24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 300453 x 454NA453x454
Sizen/an/a1.34 inches1.39 inchesNA1.39 inches
Touchn/aNA
TypeLEDOLEDOLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aProprietaryAndroid WearNAAndroid Wear
Apps
Music

All Wearables