Casio WSD-F10 vs. Polar M400 vs. Pebble Time 2 vs. Fitbit Charge 3 vs. HTC re Grip

 
WSD-F10
M400
Time 2
Charge 3
re Grip
 CasioWSD-F10Remove Buy NowPolarM400Remove Buy NowPebbleTime 2Remove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$500$200$199$150$199
Release20162014201620182020

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days10 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANot yetNA

Connectivity

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

Display

Color
Resolutionn/an/aNA66 x 18160 x 32
Sizen/an/aNA.721 inches1.8 inches
Touchn/a
TypeLCDn/ae-paperOLEDPMOLED

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM3 ATM5 ATMIP57

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aPebble OSNANA
Appsn/a
Musicn/a

All Wearables