Polar M400 vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Misfit Flare vs. Sony SmartBand

 
M400
WSD-F20A
Access Sofie
Flare
SmartBand
 PolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowMisfitFlareRemove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$200$399$395$59.95$100
Release20142018201720172014

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day1 day4 months5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a320 x 320390 x 390 1.19 inchesNANA
Sizen/a1.32 inchesNANA
TouchAMOLDEDNA
Typen/aLCDLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM5 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables