Fitbit Flex 2 vs. Polar A360 vs. Amazfit Stratos vs. Amazfit Arc vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Flex 2
A360
Stratos
Arc
Grayson
Grayson
 FitbitFlex 2Remove Buy NowPolarA360Remove Buy NowAmazfitStratosRemove Buy NowAmazfitArcRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$200$199$69.99$350$350
Release201620152018201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days5 days20 days24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 80320 x 30072 x40453 x 454453x454
Sizen/a1.18 inches1.34 inches0.42 inches1.39 inches1.39 inches
Touchn/a
TypeLEDn/aOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryAndroid WearAndroid Wear
Apps
Music

All Wearables