Polar M600 vs. Fitbit Charge HR vs. Fitbit Flex vs. Garmin Vivofit 4

 
M600
Charge HR
Flex
Vivofit 4
 PolarM600Remove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$330$150$100$79.95
Release2016201520132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240NANA88 x 88
Size1.3 inchesNANANA
Touchn/aNANA
TypeTFTOLEDLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX81 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANA
Apps
Music

All Wearables