Fitbit Charge 2 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Flex vs. Jaybird Reign

 
Charge 2
Flex 2
WSD-F20A
Flex
Reign
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$150$100$399$100$150
Release20162016201820132015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320NANA
Sizen/an/a1.32 inchesNANA
Touchn/an/aNANA
TypeOLEDLEDLCDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables