Apple Watch vs. Fitbit Alta HR vs. Polar A370 vs. Garmin Vivosmart 4 vs. Apple Watch 8

 
Watch
Alta HR
A370
Vivosmart 4
Watch 8
 AppleWatchRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$349$150$179.95$130$499
Release20152017201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 daysUp to 3 days7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312128 x 36160 x 8048 x 128340 x 272 or 390 x 312
Size1.5 inches or 1.65 inches1.4 inches1.18 inches0.74 inches1.5 inches or 1.65 inches
Touch
TypeAMOLEDOLEDTFT LCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7WR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWatchOS 9
Apps
Music

All Wearables