Polar M400 vs. Withings Activite Steel vs. Fitbit One vs. Garmin Forerunner 235 vs. Fitbit Flex

 
M400
Activite Steel
One
Forerunner 235
Flex
 PolarM400Remove Buy NowWithingsActivite SteelRemove Buy NowFitbitOneRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$170$100$299.99$100
Release20142015201220172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months10-14 days9 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a215 x 180NA
Sizen/a1.3 inchesn/a1.23 inchesNA
TouchNA
Typen/aAnalogOLEDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMSplast Resistant5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables