Polar M400 vs. Misfit Speedo Shine 2 vs. LG Watch Sport vs. Polar A370 vs. Garmin Vivosmart 4

 
M400
Speedo Shine 2
Watch Sport
A370
Vivosmart 4
 PolarM400Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowLGWatch SportRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$80$349$179.95$130
Release20142016201620172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months1.45 daysUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a480 x 480160 x 8048 x 128
Sizen/an/a1.38 inches1.18 inches0.74 inches
Touchn/a
Typen/an/aP-OLEDTFT LCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP68WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2
Apps
Music

All Wearables