Fitbit Flex 2 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson vs. Garmin Vivosmart 4 vs. Apple SE

 
Flex 2
Grayson
Loop
Grayson
Vivosmart 4
SE
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$350$100$350$130$279
Release201620182013201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 days24 hours7 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NA453x45448 x 128384 x 480
Sizen/a1.39 inchesNA1.39 inches0.74 inches40mm
Touchn/a
TypeLEDAMOLEDLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM1 ATM2 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearWatchOS 5
Apps
Music

All Wearables