Fitbit Blaze vs. Michael Kors Grayson vs. Jawbone UP4 vs. Polar A370 vs. Polar Loop vs. Michael Kors Grayson

 
Blaze
Grayson
UP4
A370
Loop
Grayson
 FitbitBlazeRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$350$200$179.95$100$350
Release201620182015201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days24 hoursNAUp to 3 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA160 x 80NA453x454
Sizen/a1.39 inchesNA1.18 inchesNA1.39 inches
TouchNA
TypeLCDAMOLEDNATFT LCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATMNAWR302 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Apps
MusicNA

All Wearables