Polar M430 vs. Fitbit Charge vs. Fitbit Charge HR vs. Polar A370 vs. Garmin Vivosmart 4

 
M430
Charge
Charge HR
A370
Vivosmart 4
 PolarM430Remove Buy NowFitbitChargeRemove Buy NowFitbitCharge HRRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$255$130$150$179.95$130
Release20172014201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7-10 days5 daysUp to 3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128NANA160 x 8048 x 128
Size1.4 inchNANA1.18 inches0.74 inches
TouchNANA
TypeLCDOLEDOLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM1 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANA
Apps
Music

All Wearables