Fitbit Flex 2 vs. Polar Loop vs. Sony SmartBand vs. Apple SE

 
Flex 2
Loop
SmartBand
SE
 FitbitFlex 2Remove Buy NowPolarLoopRemove Buy NowSonySmartBandRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$100$100$279
Release2016201320142020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/aNANA384 x 480
Sizen/aNANA40mm
Touchn/aNA
TypeLEDLEDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM2 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWatchOS 5
Apps
Music

All Wearables