Casio WSD-F10 vs. Fitbit Flex 2 vs. Polar A370 vs. Diesel On Full Guard 2.5 vs. Garmin Vivosmart 4

 
WSD-F10
Flex 2
A370
On Full Guard 2.5
Vivosmart 4
 CasioWSD-F10Remove Buy NowFitbitFlex 2Remove Buy NowPolarA370Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$500$100$179.95$325$130
Release20162016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygenn/a
Sleepn/a
Steps
Swimn/a

Battery

Durationn/a5 daysUp to 3 days4 days7 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fin/a

Display

Colorn/a
Resolutionn/an/a160 x 80454x45448 x 128
Sizen/an/a1.18 inches1.39 inches0.74 inches
Touchn/an/a
TypeLCDLEDTFT LCDOLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibration
Voicen/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR303 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWear OS
Appsn/a
Musicn/a

All Wearables