Fitbit Flex 2 vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Fitbit Alta HR

 
Flex 2
WSD-F20A
Access Sofie
Alta HR
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$100$399$395$150
Release2016201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320390 x 390 1.19 inches128 x 36
Sizen/a1.32 inches1.4 inches
Touchn/aAMOLDED
TypeLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0
Apps
Music

All Wearables