Fitbit One vs. Casio WSD-F20A vs. Diesel On Full Guard 2.5 vs. HTC re Grip vs. Apple Watch 8

 
One
WSD-F20A
On Full Guard 2.5
re Grip
Watch 8
 FitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full Guard 2.5Remove Buy NowHTCre GripRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$399$325$199$499
Release20122018201820202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days1 day4 days5 hours to 2.5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320454x454160 x 32340 x 272 or 390 x 312
Sizen/a1.32 inches1.39 inches1.8 inches1.5 inches or 1.65 inches
Touch
TypeOLEDLCDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM3 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSNAWatchOS 9
Apps
Music

All Wearables