Fitbit Alta vs. Fitbit One vs. Fitbit Ionic vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 8

 
Alta
One
Ionic
Grayson
Grayson
Watch 8
 FitbitAltaRemove Buy NowFitbitOneRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$130$100$299$350$350$499
Release201620122017201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days4+ days24 hours24 hours18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250453 x 454453x454340 x 272 or 390 x 312
Sizen/an/a1.421.39 inches1.39 inches1.5 inches or 1.65 inches
Touchn/a
TypeOLEDOLEDOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant50m1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aFitbit OSAndroid WearAndroid WearWatchOS 9
Apps
Music

All Wearables