Garmin Vivofit 3 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Polar A370 vs. Garmin Vivosmart 4

 
Vivofit 3
Stratos
Alta HR
A370
Vivosmart 4
 GarminVivofit 3Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$199$150$179.95$130
Release20162018201720172018

Activity & Fitness

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

Battery

Duration1 year5 days7 daysUp to 3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution64 x 64320 x 300128 x 36160 x 8048 x 128
Size0.55 inches1.34 inches1.4 inches1.18 inches0.74 inches
Touch
Typen/aOLEDOLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietary
Apps
Music

All Wearables