Polar M400 vs. Withings Steel HR vs. Fitbit Flex vs. Misfit Flash Cyclist Edition vs. Garmin VivoActive 4

 
M400
Steel HR
Flex
Flash Cyclist Edition
VivoActive 4
 PolarM400Remove Buy NowWithingsSteel HRRemove Buy NowFitbitFlexRemove Buy NowMisfitFlash Cyclist EditionRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$180$100$50$349
Release20142016201320152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days25 days5 days6 months8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/aNANA260 x 260
Sizen/an/aNANA1.3ionches
TouchNANA
Typen/an/aLEDNAMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANAWear OS
Apps
Music

All Wearables