Polar M430 vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivosmart HR Plus vs. Fitbit Inspire 3

 
M430
645 Music
Flex
Vivosmart HR Plus
Inspire 3
 PolarM430Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$255$450$100$179$100
Release20172018201320172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7 days5 days5 days10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128240 x 240NA160 x 6832x18
Size1.4 inch1.2 inchesNA0.5 inches x 0.8 inches46 inches
TouchNA
TypeLCDMIPLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANA
Apps
Music

All Wearables