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

 
Loop 2
Ionic
Flex
Loop
SE
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$120$299$100$100$279
Release20152017201320132020

Activity & Fitness

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

Battery

Duration8 days (without notifications)4+ 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/a348x250NANA384 x 480
Sizen/a1.42NANA40mm
TouchNA
TypeLEDOLEDLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance2 ATM50m1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNANAWatchOS 5
Apps
Music

All Wearables