Polar M400 vs. Polar M430 vs. Acer Liquid Leap vs. Mobvoi TicWatch E vs. Apple Watch 7

 
M400
M430
Liquid Leap
TicWatch E
Watch 7
 PolarM400Remove Buy NowPolarM430Remove Buy NowAcerLiquid LeapRemove Buy NowMobvoiTicWatch ERemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$255$90$159$429
Release20142017201520172021

Activity & Fitness

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

Battery

Duration8 hours to 30 days30 hours5 to 7 days1.5-2 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128128 x 32400 x 400396 x 484
Sizen/a1.4 inch1 inch1.4 inches1.9 inches
Touch
Typen/aLCDOLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR30IPX4IP67water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0WatchOS 8
Apps
Music

All Wearables