Misfit Phase vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Polar A370 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Phase
Grayson
Alta HR
A370
Grayson
T-Rex
 MisfitPhaseRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$175$350$150$179.95$350$140
Release201620182017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months24 hours7 daysUp to 3 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454128 x 36160 x 80453x454360 x 360
Sizen/a1.39 inches1.4 inches1.18 inches1.39 inches1.3 inches
Touchn/a
Typen/aAMOLEDOLEDTFT LCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMWR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables