Pebble Steel vs. Polar Loop 2 vs. Samsung Galaxy Watch vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
Steel
Loop 2
Galaxy Watch
Alta HR
Vivosmart 4
 PebbleSteelRemove Buy NowPolarLoop 2Remove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$120$330$150$130
Release20142015201820172018

Activity & Fitness

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

Battery

Duration5-7 days8 days (without notifications)7 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a360 x 360128 x 3648 x 128
Size1.26 inchesn/a1.2 inches or 1.3 inches1.4 inches0.74 inches
Touch
Typee-paperLEDAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aTizen OS
Apps
MusicSpotify

All Wearables