Apple Watch Series 3 vs. Polar A360 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Flex

 
Watch Series 3
A360
WSD-F20A
Forerunner 235
Flex
 AppleWatch Series 3Remove Buy NowPolarA360Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$329$200$399$299.99$100
Release20172015201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours12 days1 day9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312160 x 80320 x 320215 x 180NA
Size1.5 inches or 1.65 inches1.18 inches1.32 inches1.23 inchesNA
TouchNA
TypeAMOLEDn/aLCDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWear OSNA
Apps
Music

All Wearables