Fitbit Alta vs. Amazfit Cor vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Fitbit Sense 2

 
Alta
Cor
Grayson
A370
Grayson
Sense 2
 FitbitAltaRemove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$79.99$350$179.95$350$300
Release201620182018201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days24 hoursUp to 3 days24 hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160453 x 454160 x 80453x454336x336
Sizen/a1.23 inches1.39 inches1.18 inches1.39 inches1.59 inches
Touchn/a
TypeOLEDIPS LCDAMOLEDTFT LCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMWR301 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear
Apps
Music

All Wearables