Fitbit Alta vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Garmin Vivosmart 4

 
Alta
WSD-F20A
Access Sofie
Vivosmart 4
 FitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$399$395$130
Release2016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320390 x 390 1.19 inches48 x 128
Sizen/a1.32 inches0.74 inches
Touchn/aAMOLDED
TypeOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0
Apps
Music

All Wearables