Fitbit One vs. Casio WSD-F20A vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
One
WSD-F20A
On Full Guard 2.5
Inspire HR
T-Rex
 FitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$399$325$99$140
Release20122018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days1 day4 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320454x454139 x 60360 x 360
Sizen/a1.32 inches1.39 inches1.4 inches1.3 inches
Touch
TypeOLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSFitbit OSBuild-in
Apps
Music

All Wearables