Fitbit One vs. Fitbit Ionic vs. Michael Kors Grayson vs. Michael Kors Grayson vs. HTC re Grip vs. Apple Watch 8

 
One
Ionic
Grayson
Grayson
re Grip
Watch 8
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$299$350$350$199$499
Release201220172018201820202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ days24 hours24 hours5 hours to 2.5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250453 x 454453x454160 x 32340 x 272 or 390 x 312
Sizen/a1.421.39 inches1.39 inches1.8 inches1.5 inches or 1.65 inches
Touch
TypeOLEDOLEDAMOLEDAMOLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m1 ATM1 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid WearNAWatchOS 9
Apps
Music

All Wearables