Polar M400 vs. Apple Watch vs. Casio WSD-F20A vs. Misfit Flare

 
M400
Watch
WSD-F20A
Flare
 PolarM400Remove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowMisfitFlareRemove Buy Now

Basic Info

Suggested Price$200$349$399$59.95
Release2014201520182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours1 day4 months
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320NA
Sizen/a1.5 inches or 1.65 inches1.32 inchesNA
Touch
Typen/aAMOLEDLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OS
Apps
Music

All Wearables