Polar M600 vs. Fitbit One vs. Polar Loop 2 vs. Apple Watch Series 4 vs. Fitbit Inspire HR

 
M600
One
Loop 2
Watch Series 4
Inspire HR
 PolarM600Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$330$100$120$329$99
Release20162012201520182019

Activity & Fitness

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

Battery

Duration2 days10-14 days8 days (without notifications)Not Yet5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/an/a384 x 480139 x 60
Size1.3 inchesn/an/a1.78 inches1.4 inches
Touchn/a
TypeTFTOLEDLEDMicroLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8Splast Resistant2 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aWatch OS 5Fitbit OS
Apps
Music

All Wearables