Fitbit One vs. Polar A360 vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson

 
One
A360
Watch Series 2
Grayson
Loop
Grayson
 FitbitOneRemove Buy NowPolarA360Remove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$200$269$350$100$350
Release201220152016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days12 days18 hours24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80340 x 272 or 390 x 312453 x 454NA453x454
Sizen/a1.18 inches1.5 inches or 1.65 inches1.39 inchesNA1.39 inches
Touch
TypeOLEDn/aAMOLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantWR305ATM1 ATM2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables