Polar M400 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. LG Watch Style vs. Casio G-Shock GBA800

 
M400
Watch Series 2
Ionic
Watch Style
G-Shock GBA800
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowLGWatch StyleRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$200$269$299$249$120
Release20142016201720172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours4+ days2 years
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312348x250360 x 360
Sizen/a1.5 inches or 1.65 inches1.421.2 inches
Touch
Typen/aAMOLEDOLEDP-OLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATM50mIP6720 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSFitbit OSAndroid Wear 2
Apps
Music

All Wearables