Polar M400 vs. Misfit Flash vs. Moov Now vs. Fitbit Flex vs. Garmin VivoActive 4

 
M400
Flash
Now
Flex
VivoActive 4
 PolarM400Remove Buy NowMisfitFlashRemove Buy NowMoovNowRemove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$30$79$100$349
Release20142014201520132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months6 months5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNA260 x 260
Sizen/an/an/aNA1.3ionches
Touchn/an/aNA
Typen/an/an/aLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATM3 ATMn/a1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNAWear OS
Apps
Music

All Wearables