Fitbit Flex 2 vs. Fitbit One vs. Casio G-Shock GBA800 vs. Jawbone UP24 vs. Amazfit T-Rex

 
Flex 2
One
G-Shock GBA800
UP24
T-Rex
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowCasioG-Shock GBA800Remove Buy NowJawboneUP24Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$100$120$130$140
Release20162012201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days2 years14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA360 x 360
Sizen/an/aNA1.3 inches
Touchn/aNA
TypeLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant20 ATMSplash Resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuild-in
Apps
Music

All Wearables