Fitbit Alta vs. Amazfit Arc vs. Amazfit Cor vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson

 
Alta
Arc
Cor
Grayson
Flex
Grayson
 FitbitAltaRemove Buy NowAmazfitArcRemove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$69.99$79.99$350$100$350
Release201620162018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days12 days24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x4080 x 160453 x 454NA453x454
Sizen/a0.42 inches1.23 inches1.39 inchesNA1.39 inches
Touchn/aNA
TypeOLEDOLEDIPS LCDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables