Apple Watch vs. Casio WSD-F20A vs. Fitbit Flex vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
Watch
WSD-F20A
Flex
Access Sofie HR
Vivosmart 4
 AppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$349$399$100$395$130
Release20152018201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 day5 days2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320NA390 x 39048 x 128
Size1.5 inches or 1.65 inches1.32 inchesNA1.19 inches0.74 inches
TouchNA
TypeAMOLEDLCDLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM1 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWear OSNAWear OS
Apps
Music

All Wearables