Apple Watch Series 3 vs. Fitbit Zip vs. Polar Loop 2 vs. Fitbit Alta HR vs. Garmin VivoActive 4

 
Watch Series 3
Zip
Loop 2
Alta HR
VivoActive 4
 AppleWatch Series 3Remove Buy NowFitbitZipRemove Buy NowPolarLoop 2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$329$60$120$150$349
Release20172012201520172019

Activity & Fitness

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

Battery

Duration18 hours6 months8 days (without notifications)7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/an/a128 x 36260 x 260
Size1.5 inches or 1.65 inchesn/an/a1.4 inches1.3ionches
Touch
TypeAMOLEDn/aLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aWear OS
Apps
Music

All Wearables