Casio WSD-F20A vs. Fossil Explorist vs. Fitbit Charge HR vs. Fitbit Flex vs. Apple Watch Ultra

 
WSD-F20A
Explorist
Charge HR
Flex
Watch Ultra
 CasioWSD-F20ARemove Buy NowFossilExploristRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$399$255$150$100$799
Release20182018201520132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours5 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x454NANA502x410 pixels
Size1.32 inches1.4 inchesNANA1.92 inches
TouchNANA
TypeLCDAMOLEDOLEDLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OSNANAWatchOS 9
Apps
Music

All Wearables