ASUS ZenWatch 2 vs. Polar Loop 2 vs. Fitbit Charge HR vs. Garmin Vivosmart 4 vs. Apple Watch 7

 
ZenWatch 2
Loop 2
Charge HR
Vivosmart 4
Watch 7
 ASUSZenWatch 2Remove Buy NowPolarLoop 2Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$120$150$130$429
Release20162015201520182021

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)5 days7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/aNA48 x 128396 x 484
Size1.63 inches or 1.45 inchn/aNA0.74 inches1.9 inches
TouchNA
TypeAMOLEDLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNAWatchOS 8
Apps
Music

All Wearables