Fitbit Flex 2 vs. Polar Loop 2 vs. Polar Loop vs. Garmin Forerunner 45 vs. Fitbit Sense 2

 
Flex 2
Loop 2
Loop
Forerunner 45
Sense 2
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$120$100$199$300
Release20162015201320192022

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)5 days7 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA208 x 208336x336
Sizen/an/aNA1.04 inches1.59 inches
Touchn/a
TypeLEDLEDLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuilt-in
Apps
Music

All Wearables