Pebble Classic vs. Polar M400 vs. Casio G-Shock GBA800 vs. Fitbit Charge HR vs. Apple Watch Series 4

 
Classic
M400
G-Shock GBA800
Charge HR
Watch Series 4
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$99$200$120$150$329
Release20132014201820152018

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days2 years5 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/aNA384 x 480
Size1.26 inchesn/aNA1.78 inches
TouchNA
Typee-papern/aOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM20 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNAWatch OS 5
Apps
Music

All Wearables