Casio WSD-F10 vs. Polar M400 vs. Casio WSD-F20A vs. Pebble Time 2

 
WSD-F10
M400
WSD-F20A
Time 2
 CasioWSD-F10Remove Buy NowPolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy Now

Basic Info

Suggested Price$500$200$399$199
Release2016201420182016

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days1 day10 days
Rechargeable

Compatibility

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

Connectivity

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

Display

Color
Resolutionn/an/a320 x 320NA
Sizen/an/a1.32 inchesNA
Touchn/a
TypeLCDn/aLCDe-paper

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM3 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables