Polar A360 vs. Withings Go vs. Fitbit Ionic vs. Garmin 645 Music vs. Garmin VivoActive 4

 
A360
Go
Ionic
645 Music
VivoActive 4
 PolarA360Remove Buy NowWithingsGoRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$80$299$450$349
Release20152016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days8 months4+ days7 days8 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution160 x 80n/a348x250240 x 240260 x 260
Size1.18 inchesn/a1.421.2 inches1.3ionches
Touchn/a
Typen/aE-InkOLEDMIPMIP

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM50m5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSWear OS
Appsn/a
Music

All Wearables