Fitbit One vs. Fitbit Ionic vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 8 vs. Apple Series 6

 
One
Ionic
Grayson
Grayson
Watch 8
Series 6
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$299$350$350$499$399
Release201220172018201820222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ days24 hours24 hours18 hrsNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250453 x 454453x454340 x 272 or 390 x 312384 x 480
Sizen/a1.421.39 inches1.39 inches1.5 inches or 1.65 inches40mm
Touch
TypeOLEDOLEDAMOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplast Resistant50m1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid WearWatchOS 9WatchOS 5
Apps
Music

All Wearables