Polar Loop 2 vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. HTC re Grip vs. Fitbit Sense 2

 
Loop 2
ZenWatch 3
Stratos
re Grip
Sense 2
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowHTCre GripRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$120$229$199$199$300
Release20152017201820202022

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours5 days5 hours to 2.5 days6 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 300160 x 32336x336
Sizen/a1.39 inches1.34 inches1.8 inches1.59 inches
Touch
TypeLEDAMOLEDOLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2ProprietaryNA
Apps
Music

All Wearables