Polar M400 vs. Polar A360 vs. Polar Loop 2 vs. Polar Loop vs. Fitbit Sense 2

 
M400
A360
Loop 2
Loop
Sense 2
 PolarM400Remove Buy NowPolarA360Remove Buy NowPolarLoop 2Remove Buy NowPolarLoopRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$200$120$100$300
Release20142015201520132022

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days8 days (without notifications)5 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80n/aNA336x336
Sizen/a1.18 inchesn/aNA1.59 inches
Touch
Typen/an/aLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR302 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables