Polar M400 vs. Mobvoi TicWatch E vs. Apple Watch Series 4 vs. Mobvoi TicWatch S2 vs. Fitbit Inspire 3

 
M400
TicWatch E
Watch Series 4
TicWatch S2
Inspire 3
 PolarM400Remove Buy NowMobvoiTicWatch ERemove Buy NowAppleWatch Series 4Remove Buy NowMobvoiTicWatch S2Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$159$329$180$100
Release20142017201820192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days1.5-2 daysNot Yet2 DAYS10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400384 x 480400 x 40032x18
Sizen/a1.4 inches1.78 inches1.39 inches46 inches
Touch
Typen/aOLEDMicroLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67Not Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Watch OS 5Wear OS
Apps
Music

All Wearables