Polar M600 vs. Fitbit One vs. Polar Loop 2 vs. Fitbit Charge 3 vs. Apple Watch Series 4

 
M600
One
Loop 2
Charge 3
Watch Series 4
 PolarM600Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowFitbitCharge 3Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$330$100$120$150$329
Release20162012201520182018

Activity & Fitness

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

Battery

Duration2 days10-14 days8 days (without notifications)7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution240 x 240n/an/a66 x 18384 x 480
Size1.3 inchesn/an/a.721 inches1.78 inches
Touchn/a
TypeTFTOLEDLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8Splast Resistant2 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aNAWatch OS 5
Apps
Music

All Wearables