Casio WSD-F20A vs. Fossil Explorist vs. Fitbit Flex vs. Polar A370 vs. Apple Watch 8

 
WSD-F20A
Explorist
Flex
A370
Watch 8
 CasioWSD-F20ARemove Buy NowFossilExploristRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$399$255$100$179.95$499
Release20182018201320172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours5 daysUp to 3 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x454NA160 x 80340 x 272 or 390 x 312
Size1.32 inches1.4 inchesNA1.18 inches1.5 inches or 1.65 inches
TouchNA
TypeLCDAMOLEDLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OSNAWatchOS 9
Apps
Music

All Wearables