Fitbit Alta vs. Polar Loop 2 vs. Acer Liquid Leap vs. Apple Watch Series 4

 
Alta
Loop 2
Liquid Leap
Watch Series 4
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowAcerLiquid LeapRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$120$90$329
Release2016201520152018

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)5 to 7 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 32384 x 480
Sizen/an/a1 inch1.78 inches
Touchn/a
TypeOLEDLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATMIPX4Not Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OS 5
Apps
Music

All Wearables