Polar M400 vs. TomTom Spark vs. Withings Go vs. LG Watch Sport vs. Apple Watch 7

 
M400
Spark
Go
Watch Sport
Watch 7
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowWithingsGoRemove Buy NowLGWatch SportRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$150$80$349$429
Release20142015201620162021

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a8 months1.45 days18 Hours
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a480 x 480396 x 484
Sizen/an/an/a1.38 inches1.9 inches
Touchn/a
Typen/aLCDE-InkP-OLEDMicroLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/an/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP68water resistant but not waterproof

Notifications

Phonen/an/a
Emailsn/an/a
Textsn/an/a

Software

Operating Systemn/an/an/aAndroid Wear 2WatchOS 8
Appsn/a
Music

All Wearables