Casio WSD-F20A vs. Fossil Explorist vs. Fitbit Flex vs. Pebble Core vs. Apple Watch Ultra

 
WSD-F20A
Explorist
Flex
Core
Watch Ultra
 CasioWSD-F20ARemove Buy NowFossilExploristRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$399$255$100$99$799
Release20182018201320162022

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration1 day24 hours5 daysNA36 hrs
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

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

Functions

Audio Speaker
ClockLTPO OLED Retina
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATMNA10 ATM (100 Meters)

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWear OSWear OSNANAWatchOS 9
Apps
Music

All Wearables