Polar M400 vs. Withings Activite Sapphire vs. Mobvoi TicWatch S vs. Mobvoi TicWatch S2

 
M400
Activite Sapphire
TicWatch S
TicWatch S2
 PolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowMobvoiTicWatch SRemove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$450$199$180
Release2014201420172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months1.5-2 days2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400400 x 400
Sizen/a1.3 inches1.4 inches1.39 inches
Touch
Typen/aAnalogOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Wear OS
Apps
Music

All Wearables