Polar Loop 2 vs. Fitbit Flex vs. Polar Loop vs. Apple Watch Ultra vs. Fitbit Sense 2

 
Loop 2
Flex
Loop
Watch Ultra
Sense 2
 PolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$120$100$100$799$300
Release20152013201320222022

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days5 days36 hrs6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA502x410 pixels336x336
Sizen/aNANA1.92 inches1.59 inches
TouchNA
TypeLEDLEDLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM2 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWatchOS 9
Apps
Music

All Wearables