Polar M400 vs. Asus ZenWatch vs. Mobvoi TicWatch S2 vs. Apple Watch 8

 
M400
ZenWatch
TicWatch S2
Watch 8
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowMobvoiTicWatch S2Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$150$180$499
Release2014201420192022

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA2 DAYS18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320400 x 400340 x 272 or 390 x 312
Sizen/a1.63 inches1.39 inches1.5 inches or 1.65 inches
Touch
Typen/aAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSWatchOS 9
Apps
Music

All Wearables