Polar Loop 2 vs. Polar M430 vs. Fitbit Charge vs. Garmin Vivofit 4 vs. Garmin VivoActive 4

 
Loop 2
M430
Charge
Vivofit 4
VivoActive 4
 PolarLoop 2Remove Buy NowPolarM430Remove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$120$255$130$79.95$349
Release20152017201420182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)30 hours7-10 days1 year8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128NA88 x 88260 x 260
Sizen/a1.4 inchNANA1.3ionches
TouchNA
TypeLEDLCDOLEDNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR301 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables