Fitbit Alta HR vs. Fitbit Charge 3 vs. Polar A370 vs. Sony SmartBand vs. Apple Watch 8

 
Alta HR
Charge 3
A370
SmartBand
Watch 8
 FitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowSonySmartBandRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$150$150$179.95$100$499
Release20172018201720142022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7 daysUp to 3 days5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

ColorNA
Resolution128 x 3666 x 18160 x 80NA340 x 272 or 390 x 312
Size1.4 inches.721 inches1.18 inchesNA1.5 inches or 1.65 inches
TouchNA
TypeOLEDOLEDTFT LCDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR30IP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWatchOS 9
Apps
Music

All Wearables