Polar M400 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Pebble Core vs. Polar A370

 
M400
Ionic
G-Shock GBA800
Core
A370
 PolarM400Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleCoreRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$299$120$99$179.95
Release20142017201820162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days4+ days2 yearsNAUp to 3 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250NA160 x 80
Sizen/a1.42NA1.18 inches
TouchNA
Typen/aOLEDNATFT LCD

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM50m20 ATMNAWR30

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aFitbit OSNA
Apps
Music

All Wearables