Casio WSD-F20A vs. Fossil Explorist vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Polar A370

 
WSD-F20A
Explorist
Flex
Vivofit 4
A370
 CasioWSD-F20ARemove Buy NowFossilExploristRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$399$255$100$79.95$179.95
Release20182018201320182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours5 days1 yearUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x454NA88 x 88160 x 80
Size1.32 inches1.4 inchesNANA1.18 inches
TouchNA
TypeLCDAMOLEDLEDNATFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OSNA
Apps
Music

All Wearables