Fitbit Alta vs. Fitbit Ionic vs. Amazfit Cor vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 7

 
Alta
Ionic
Cor
Grayson
Grayson
Watch 7
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$299$79.99$350$350$429
Release201620172018201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days12 days24 hours24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x25080 x 160453 x 454453x454396 x 484
Sizen/a1.421.23 inches1.39 inches1.39 inches1.9 inches
Touchn/a
TypeOLEDOLEDIPS LCDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATM1 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid WearWatchOS 8
Apps
Music

All Wearables