Polar Loop 2 vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Fitbit Inspire HR

 
Loop 2
Watch Series 2
ZenWatch 3
Inspire HR
 PolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$120$269$229$99
Release2015201620172019

Activity & Fitness

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

Battery

Duration8 days (without notifications)18 hours48 hours5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400139 x 60
Sizen/a1.5 inches or 1.65 inches1.39 inches1.4 inches
Touch
TypeLEDAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Fitbit OS
Apps
Music

All Wearables