Polar Loop 2 vs. Amazfit Arc vs. Asus ZenWatch vs. Fitbit Alta HR

 
Loop 2
Arc
ZenWatch
Alta HR
 PolarLoop 2Remove Buy NowAmazfitArcRemove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$120$69.99$150$150
Release2015201620142017

Activity & Fitness

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

Battery

Duration8 days (without notifications)20 daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40320 x 320128 x 36
Sizen/a0.42 inches1.63 inches1.4 inches
Touch
TypeLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP67IP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear
Apps
Music

All Wearables