Pebble Steel vs. Polar Loop 2 vs. Garmin Vivosmart HR Plus vs. Polar A370 vs. Garmin VivoActive 4

 
Steel
Loop 2
Vivosmart HR Plus
A370
VivoActive 4
 PebbleSteelRemove Buy NowPolarLoop 2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowPolarA370Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$120$179$179.95$349
Release20142015201720172019

Activity & Fitness

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

Battery

Duration5-7 days8 days (without notifications)5 daysUp to 3 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a160 x 68160 x 80260 x 260
Size1.26 inchesn/a0.5 inches x 0.8 inches1.18 inches1.3ionches
Touch
Typee-paperLEDLCDTFT LCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNAWear OS
Apps
Music

All Wearables