Misfit Vapor vs. Fitbit Flex 2 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Vapor
Flex 2
Stratos
Grayson
A370
Grayson
 MisfitVaporRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$199$100$199$350$179.95$350
Release201720162018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 300453 x 454160 x 80453x454
Size1.39 inchesn/a1.34 inches1.39 inches1.18 inches1.39 inches
Touchn/a
TypeAMOLEDLEDOLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voicen/a

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aProprietaryAndroid WearAndroid Wear
Appsn/a
Musicn/a

All Wearables