Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Flex vs. Jaybird Reign vs. Garmin Vivosmart 4

 
Flex 2
WSD-F20A
Flex
Reign
Vivosmart 4
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowJaybirdReignRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$399$100$150$130
Release20162018201320152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NANA48 x 128
Sizen/a1.32 inchesNANA0.74 inches
Touchn/aNANA
TypeLEDLCDLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables