Fitbit One vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Fitbit Inspire HR vs. Apple Watch 7

 
One
Grayson
Charge HR
Grayson
Inspire HR
Watch 7
 FitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$350$150$350$99$429
Release201220182015201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days24 hours5 days24 hours5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA453x454139 x 60396 x 484
Sizen/a1.39 inchesNA1.39 inches1.4 inches1.9 inches
TouchNA
TypeOLEDAMOLEDOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant1 ATM1 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearFitbit OSWatchOS 8
Apps
Music

All Wearables