Fitbit Ionic vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Apple Watch 7 vs. Apple Watch Ultra

 
Ionic
Grayson
Flex
Grayson
Watch 7
Watch Ultra
 FitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$299$350$100$350$429$799
Release201720182013201820212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours5 days24 hours18 Hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250453 x 454NA453x454396 x 484502x410 pixels
Size1.421.39 inchesNA1.39 inches1.9 inches1.92 inches
TouchNA
TypeOLEDAMOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATM1 ATM1 ATMwater resistant but not waterproof10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearNAAndroid WearWatchOS 8WatchOS 9
Apps
Music

All Wearables