Fitbit Ionic vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Apple Watch 8

 
Ionic
G-Shock GBA800
Grayson
Flex
Grayson
Watch 8
 FitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$299$120$350$100$350$499
Release201720182018201320182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days2 years24 hours5 days24 hours18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250453 x 454NA453x454340 x 272 or 390 x 312
Size1.421.39 inchesNA1.39 inches1.5 inches or 1.65 inches
TouchNA
TypeOLEDAMOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m20 ATM1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearNAAndroid WearWatchOS 9
Apps
Music

All Wearables