Fitbit Flex 2 vs. Withings Pulse Ox vs. Polar Loop vs. Sony SmartBand vs. Fitbit Sense 2

 
Flex 2
Pulse Ox
Loop
SmartBand
Sense 2
 FitbitFlex 2Remove Buy NowWithingsPulse OxRemove Buy NowPolarLoopRemove Buy NowSonySmartBandRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$120$100$100$300
Release20162014201320142022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 weeks5 days5 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/ablueNA
Resolutionn/a128 x 32NANA336x336
Sizen/an/aNANA1.59 inches
Touchn/aSwipeNA
TypeLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables