Polar M600 vs. Polar A360 vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Fitbit Flex

 
M600
A360
WSD-F20A
On Full Guard
Flex
 PolarM600Remove Buy NowPolarA360Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$330$200$399$325$100
Release20162015201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days12 days1 day1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240160 x 80320 x 320454 x 454NA
Size1.3 inches1.18 inches1.32 inches1.4 inchesNA
Touchn/aNA
TypeTFTn/aLCDOMOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8WR305 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables