Fitbit Flex 2 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Apple Series 6

 
Flex 2
Ionic
Grayson
Core
Grayson
Series 6
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$299$350$99$350$399
Release201620172018201620182020

Activity & Fitness

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

Battery

Duration5 days4+ days24 hoursNA24 hoursNot yet
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250453 x 454NA453x454384 x 480
Sizen/a1.421.39 inchesNA1.39 inches40mm
Touchn/aNA
TypeLEDOLEDAMOLEDNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM50m1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aFitbit OSAndroid WearNAAndroid WearWatchOS 5
Apps
Music

All Wearables