Garmin Vivosmart HR vs. Amazfit Stratos vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Polar Loop

 
Vivosmart HR
Stratos
Alta HR
Vivofit 4
Loop
 GarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$170$199$150$79.95$100
Release20152018201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68320 x 300128 x 3688 x 88NA
Size1.08 inches1.34 inches1.4 inchesNANA
Touch
Typen/aOLEDOLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNA
Apps
Music

All Wearables