Fitbit Flex 2 vs. Polar Loop vs. Apple Watch Series 4 vs. LG G Watch R

 
Flex 2
Loop
Watch Series 4
G Watch R
 FitbitFlex 2Remove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy NowLGG Watch RRemove Buy Now

Basic Info

Suggested Price$100$100$329$300
Release2016201320182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNot Yet2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNAn/a
MacNAn/a
WindowsNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA384 x 480320 x 320
Sizen/aNA1.78 inches1.3 inches
Touchn/a
TypeLEDLEDMicroLEDP-OLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMNot YetIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatch OS 5Android Wear
Apps
Music

All Wearables