Polar Loop 2 vs. Fitbit Flex vs. Polar Loop vs. Fitbit Versa 2 vs. Apple SE

 
Loop 2
Flex
Loop
Versa 2
SE
 PolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowFitbitVersa 2Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$120$100$100$199$279
Release20152013201320192020

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days5 days5 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA300 x 300384 x 480
Sizen/aNANA1.34 inches40mm
TouchNA
TypeLEDLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance2 ATM1 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANABuild-inWatchOS 5
Apps
Music

All Wearables