Pebble Steel vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Polar Loop vs. Michael Kors Grayson vs. Apple Watch 7

 
Steel
Grayson
Charge HR
Loop
Grayson
Watch 7
 PebbleSteelRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$350$150$100$350$429
Release201420182015201320182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days24 hours5 days5 days24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144453 x 454NANA453x454396 x 484
Size1.26 inches1.39 inchesNANA1.39 inches1.9 inches
TouchNA
Typee-paperAMOLEDOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM2 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearNANAAndroid WearWatchOS 8
Apps
Music

All Wearables