Polar M400 vs. Fitbit One vs. Casio G-Shock GBA800 vs. Fitbit Charge vs. Pebble Core

 
M400
One
G-Shock GBA800
Charge
Core
 PolarM400Remove Buy NowFitbitOneRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitChargeRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$100$120$130$99
Release20142012201820142016

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days2 years7-10 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNANA
Sizen/an/aNANA
TouchNANA
Typen/aOLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplast Resistant20 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables