Polar Loop 2 vs. Polar M430 vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Polar A370

 
Loop 2
M430
645 Music
Vivosmart HR Plus
A370
 PolarLoop 2Remove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$120$255$450$179$179.95
Release20152017201820172017

Activity & Fitness

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

Battery

Duration8 days (without notifications)30 hours7 days5 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128240 x 240160 x 68160 x 80
Sizen/a1.4 inch1.2 inches0.5 inches x 0.8 inches1.18 inches
Touch
TypeLEDLCDMIPLCDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR305 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables