Polar M430 vs. Casio WSD-F20A vs. Apple Watch Ultra vs. Fitbit Sense 2

 
M430
WSD-F20A
Watch Ultra
Sense 2
 PolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$255$399$799$300
Release2017201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours1 day36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128320 x 320502x410 pixels336x336
Size1.4 inch1.32 inches1.92 inches1.59 inches
Touch
TypeLCDLCDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWatchOS 9
Apps
Music

All Wearables