Polar M600 vs. Amazfit Arc vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Fitbit Flex vs. Michael Kors Grayson

 
M600
Arc
Grayson
Moto 360 (1st Gen)
Flex
Grayson
 PolarM600Remove Buy NowAmazfitArcRemove Buy NowMichael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$69.99$350$150$100$350
Release201620162018201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days20 days24 hours1 day5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 24072 x40453 x 454320 x 260NA453x454
Size1.3 inches0.42 inches1.39 inches1.56 inchesNA1.39 inches
Touchn/aNA
TypeTFTOLEDAMOLEDLCDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP671 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearAndroid WearNAAndroid Wear
Apps
MusicNA

All Wearables