Polar Loop 2 vs. Withings Go vs. Fitbit Flex vs. Polar Loop vs. Apple Watch Ultra

 
Loop 2
Go
Flex
Loop
Watch Ultra
 PolarLoop 2Remove Buy NowWithingsGoRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$120$80$100$100$799
Release20152016201320132022

Activity & Fitness

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

Battery

Duration8 days (without notifications)8 months5 days5 days36 hrs
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/aNANA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANA502x410 pixels
Sizen/an/aNANA1.92 inches
Touchn/aNA
TypeLEDE-InkLEDLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATM2 ATM10 ATM (100 Meters)

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNANAWatchOS 9
Appsn/a
Music

All Wearables