Polar M400 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Diesel On Full Guard vs. Pebble Core

 
M400
Ionic
G-Shock GBA800
On Full Guard
Core
 PolarM400Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowDieselOn Full GuardRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$299$120$325$99
Release20142017201820172016

Activity & Fitness

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

Battery

Duration8 hours to 30 days4+ days2 years1 dayNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250454 x 454NA
Sizen/a1.421.4 inchesNA
TouchNA
Typen/aOLEDOMOLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM50m20 ATMIP67NA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aFitbit OSAndroid Wear 2.0NA
Apps
Music

All Wearables