Polar M600 vs. Fitbit One vs. Polar Loop 2 vs. Garmin Vivofit 4 vs. Apple Watch Series 4

 
M600
One
Loop 2
Vivofit 4
Watch Series 4
 PolarM600Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowGarminVivofit 4Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$330$100$120$79.95$329
Release20162012201520182018

Activity & Fitness

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

Battery

Duration2 days10-14 days8 days (without notifications)1 yearNot Yet
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/a88 x 88384 x 480
Size1.3 inchesn/an/aNA1.78 inches
Touchn/a
TypeTFTOLEDLEDNAMicroLED

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/aWatch OS 5
Apps
Music

All Wearables