Fitbit Flex 2 vs. Moov Now vs. Polar M430 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Flex 2
Now
M430
Stratos
Grayson
Grayson
 FitbitFlex 2Remove Buy NowMoovNowRemove Buy NowPolarM430Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$79$255$199$350$350
Release201620152017201820182018

Activity & Fitness

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

Battery

Duration5 days6 months30 hours5 days24 hours24 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/a128x128320 x 300453 x 454453x454
Sizen/an/a1.4 inch1.34 inches1.39 inches1.39 inches
Touchn/an/a
TypeLEDn/aLCDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/aWR305 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryAndroid WearAndroid Wear
Apps
Music

All Wearables