Fitbit Flex vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4 vs. Fitbit Inspire 3

 
Flex
Watch Series 4
Access Sofie HR
Vivosmart 4
Inspire 3
 FitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$329$395$130$100
Release20132018201920182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNot Yet2 days7 days10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA384 x 480390 x 39048 x 12832x18
SizeNA1.78 inches1.19 inches0.74 inches46 inches
TouchNA
TypeLEDMicroLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNot Yet0.3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatch OS 5Wear OS
Apps
Music

All Wearables