Polar M400 vs. Misfit Ray vs. Polar Loop 2 vs. Polar Loop vs. Apple Watch 8

 
M400
Ray
Loop 2
Loop
Watch 8
 PolarM400Remove Buy NowMisfitRayRemove Buy NowPolarLoop 2Remove Buy NowPolarLoopRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$100$120$100$499
Release20142016201520132022

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months8 days (without notifications)5 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNA340 x 272 or 390 x 312
Sizen/an/an/aNA1.5 inches or 1.65 inches
Touchn/a
Typen/aLEDLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNAWatchOS 9
Apps
Music

All Wearables