Polar M400 vs. Polar Loop 2 vs. Apple Watch vs. Garmin Vivosport

 
M400
Loop 2
Watch
Vivosport
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowAppleWatchRemove Buy NowGarminVivosportRemove Buy Now

Basic Info

Suggested Price$200$120$349$199
Release2014201520152017

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)18 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 31272 x 144
Sizen/an/a1.5 inches or 1.65 inchesNA
Touch
Typen/aLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATMIPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OS
Apps
Music

All Wearables