Polar A360 vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Fitbit Inspire HR vs. Amazfit GTS

 
A360
Grayson
Flex
Grayson
Inspire HR
GTS
 PolarA360Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$200$350$100$350$99$150
Release201520182013201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days24 hours5 days24 hours5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80453 x 454NA453x454139 x 60348 x 442
Size1.18 inches1.39 inchesNA1.39 inches1.4 inches1.65 inches
TouchNA
Typen/aAMOLEDLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearFitbit OSWear OS
Apps
Music

All Wearables