Fitbit Blaze vs. Polar M400 vs. ASUS ZenWatch 3 vs. Casio WSD-F20A vs. Fitbit Flex

 
Blaze
M400
ZenWatch 3
WSD-F20A
Flex
 FitbitBlazeRemove Buy NowPolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$200$229$399$100
Release20162014201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days8 hours to 30 days48 hours1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400320 x 320NA
Sizen/an/a1.39 inches1.32 inchesNA
TouchNA
TypeLCDn/aAMOLEDLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OSNA
Apps
Music

All Wearables