Apple Watch Series 3 vs. Polar Loop 2 vs. Polar M430 vs. Fitbit Charge HR vs. Apple Series 6

 
Watch Series 3
Loop 2
M430
Charge HR
Series 6
 AppleWatch Series 3Remove Buy NowPolarLoop 2Remove Buy NowPolarM430Remove Buy NowFitbitCharge HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$120$255$150$399
Release20172015201720152020

Activity & Fitness

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

Battery

Duration18 hours8 days (without notifications)30 hours5 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a128x128NA384 x 480
Size1.5 inches or 1.65 inchesn/a1.4 inchNA40mm
TouchNA
TypeAMOLEDLEDLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM2 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNAWatchOS 5
Apps
Music

All Wearables