Polar Loop 2 vs. LG Watch Sport vs. Fitbit Alta HR vs. Fitbit Flex

 
Loop 2
Watch Sport
Alta HR
Flex
 PolarLoop 2Remove Buy NowLGWatch SportRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$120$349$150$100
Release2015201620172013

Activity & Fitness

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

Battery

Duration8 days (without notifications)1.45 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480128 x 36NA
Sizen/a1.38 inches1.4 inchesNA
TouchNA
TypeLEDP-OLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP681 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NA
Apps
Music

All Wearables