Polar M600 vs. Moov Now vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Garmin VivoActive 4

 
M600
Now
WSD-F20A
Alta HR
VivoActive 4
 PolarM600Remove Buy NowMoovNowRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$330$79$399$150$349
Release20162015201820172019

Activity & Fitness

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

Battery

Duration2 days6 months1 day7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a320 x 320128 x 36260 x 260
Size1.3 inchesn/a1.32 inches1.4 inches1.3ionches
Touchn/an/a
TypeTFTn/aLCDOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSWear OS
Apps
Music

All Wearables