Fitbit Flex 2 vs. Casio WSD-F20A vs. Jawbone UP24 vs. Amazfit T-Rex

 
Flex 2
WSD-F20A
UP24
T-Rex
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowJawboneUP24Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$399$130$140
Release2016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA360 x 360
Sizen/a1.32 inchesNA1.3 inches
Touchn/aNA
TypeLEDLCDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplash Resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNABuild-in
Apps
Music

All Wearables