Polar M400 vs. Fitbit Flex 2 vs. Moov Now vs. Fitbit Flex vs. Fitbit Inspire HR

 
M400
Flex 2
Now
Flex
Inspire HR
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMoovNowRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$100$79$100$99
Release20142016201520132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days6 months5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNA139 x 60
Sizen/an/an/aNA1.4 inches
Touchn/an/aNA
Typen/aLEDn/aLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNAFitbit OS
Apps
Music

All Wearables