Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Jawbone UP3 vs. Michael Kors Access Sofie HR

 
Flex 2
WSD-F20A
Alta HR
UP3
Access Sofie HR
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowJawboneUP3Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$100$399$150$180$395
Release20162018201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days7 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320128 x 36NA390 x 390
Sizen/a1.32 inches1.4 inchesNA1.19 inches
Touchn/aNA
TypeLEDLCDOLEDNAOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNA0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWear OS
Apps
MusicNA

All Wearables