Fitbit Flex 2 vs. Acer Liquid Leap vs. Amazfit Cor vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson

 
Flex 2
Liquid Leap
Cor
Grayson
Charge 3
Grayson
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$90$79.99$350$150$350
Release201620152018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days12 days24 hours7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 3280 x 160453 x 45466 x 18453x454
Sizen/a1 inch1.23 inches1.39 inches.721 inches1.39 inches
Touchn/a
TypeLEDOLEDIPS LCDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX45 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables