Fitbit Blaze vs. Fitbit Alta vs. Misfit Ray vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Blaze
Alta
Ray
Grayson
A370
Grayson
 FitbitBlazeRemove Buy NowFitbitAltaRemove Buy NowMisfitRayRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$130$100$350$179.95$350
Release201620162016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days6 months24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a453 x 454160 x 80453x454
Sizen/an/an/a1.39 inches1.18 inches1.39 inches
Touchn/an/a
TypeLCDOLEDLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables