Fitbit Alta vs. Fitbit Ionic vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Michael Kors Grayson

 
Alta
Ionic
Grayson
Watch Series 4
Forerunner 45
Grayson
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$299$350$329$199$350
Release201620172018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days24 hoursNot Yet7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250453 x 454384 x 480208 x 208453x454
Sizen/a1.421.39 inches1.78 inches1.04 inches1.39 inches
Touchn/a
TypeOLEDOLEDAMOLEDMicroLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m1 ATMNot Yet5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSAndroid WearWatch OS 5Built-inAndroid Wear
Apps
Music

All Wearables