Polar M400 vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Mobvoi TicWatch S

 
M400
Watch Series 2
G-Shock GBA800
TicWatch S
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMobvoiTicWatch SRemove Buy Now

Basic Info

Suggested Price$200$269$120$199
Release2014201620182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours2 years1.5-2 days
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 312400 x 400
Sizen/a1.5 inches or 1.65 inches1.4 inches
Touch
Typen/aAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATM20 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2.0
Apps
Music

All Wearables