Fitbit Flex 2 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Pebble Core vs. Polar Loop vs. Michael Kors Grayson

 
Flex 2
Ionic
Grayson
Core
Loop
Grayson
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$299$350$99$100$350
Release201620172018201620132018

Activity & Fitness

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

Battery

Duration5 days4+ days24 hoursNA5 days24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250453 x 454NANA453x454
Sizen/a1.421.39 inchesNANA1.39 inches
Touchn/aNA
TypeLEDOLEDAMOLEDNALEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATMNA2 ATM1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aFitbit OSAndroid WearNANAAndroid Wear
Apps
Music

All Wearables