Polar M400 vs. Moov Now vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Casio G-Shock GBA800

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

Basic Info

Suggested Price$200$79$269$299$120
Release20142015201620172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months18 hours4+ days2 years
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312348x250
Sizen/an/a1.5 inches or 1.65 inches1.42
Touchn/a
Typen/an/aAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a5ATM50m20 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSFitbit OS
Apps
Music

All Wearables