Polar M600 vs. Withings Steel HR vs. Misfit Ray vs. Fitbit Alta HR vs. Garmin Vivofit 4

 
M600
Steel HR
Ray
Alta HR
Vivofit 4
 PolarM600Remove Buy NowWithingsSteel HRRemove Buy NowMisfitRayRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$330$180$100$150$79.95
Release20162016201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days25 days6 months7 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a128 x 3688 x 88
Size1.3 inchesn/an/a1.4 inchesNA
Touchn/an/a
TypeTFTn/aLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/a
Apps
Music

All Wearables