Apple Watch Series 3 vs. Polar A360 vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Fitbit Versa 2

 
Watch Series 3
A360
Alta HR
Charge 3
Versa 2
 AppleWatch Series 3Remove Buy NowPolarA360Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$329$200$150$150$199
Release20172015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours12 days7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312160 x 80128 x 3666 x 18300 x 300
Size1.5 inches or 1.65 inches1.18 inches1.4 inches.721 inches1.34 inches
Touch
TypeAMOLEDn/aOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNABuild-in
Apps
Music

All Wearables