Fitbit Ionic vs. Michael Kors Grayson vs. Fitbit Charge vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Apple Watch 7

 
Ionic
Grayson
Charge
Watch Series 4
Grayson
Watch 7
 FitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$299$350$130$329$350$429
Release201720182014201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours7-10 daysNot Yet24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250453 x 454NA384 x 480453x454396 x 484
Size1.421.39 inchesNA1.78 inches1.39 inches1.9 inches
TouchNA
TypeOLEDAMOLEDOLEDMicroLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATM1 ATMNot Yet1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearNAWatch OS 5Android WearWatchOS 8
Apps
Music

All Wearables