Polar Loop 2 vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. Fitbit Versa vs. Fitbit Alta HR

 
Loop 2
ZenWatch 3
Stratos
Versa
Alta HR
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowFitbitVersaRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$120$229$199$199.99$150
Release20152017201820182017

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours5 days4 days7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 300300 x300128 x 36
Sizen/a1.39 inches1.34 inches1.34 inches1.4 inches
Touch
TypeLEDAMOLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Proprietary
Apps
Music

All Wearables