Fitbit Flex 2 vs. Fitbit Zip vs. Michael Kors Grayson vs. Fitbit Charge vs. Pebble Core vs. Michael Kors Grayson

 
Flex 2
Zip
Grayson
Charge
Core
Grayson
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$60$350$130$99$350
Release201620122018201420162018

Activity & Fitness

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

Battery

Duration5 days6 months24 hours7-10 daysNA24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a453 x 454NANA453x454
Sizen/an/a1.39 inchesNANA1.39 inches
Touchn/aNANA
TypeLEDn/aAMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant1 ATM1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables