Polar M400 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Fitbit Inspire HR vs. Skagen Falster 3

 
M400
Forerunner 235
Flex
Inspire HR
Falster 3
 PolarM400Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy NowSkagenFalster 3Remove Buy Now

Basic Info

Suggested Price$200$299.99$100$99$295
Release20142017201320192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days9 days5 days5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180NA139 x 60416 x 416
Sizen/a1.23 inchesNA1.4 inches1.28 inches
TouchNA
Typen/aMIPLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAFitbit OSWear OS
Apps
Music

All Wearables