Fitbit Flex 2 vs. Polar Loop 2 vs. Fitbit Flex vs. Fitbit Inspire HR

 
Flex 2
Loop 2
Flex
Inspire HR
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$120$100$99
Release2016201520132019

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA139 x 60
Sizen/an/aNA1.4 inches
Touchn/aNA
TypeLEDLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAFitbit OS
Apps
Music

All Wearables