Polar M400 vs. Polar M600 vs. Withings Activite Steel vs. Fitbit Zip vs. Misfit Flash

 
M400
M600
Activite Steel
Zip
Flash
 PolarM400Remove Buy NowPolarM600Remove Buy NowWithingsActivite SteelRemove Buy NowFitbitZipRemove Buy NowMisfitFlashRemove Buy Now

Basic Info

Suggested Price$200$330$170$60$30
Release20142016201520122014

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days8 months6 months6 months
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/an/an/a
Sizen/a1.3 inches1.3 inchesn/an/a
Touchn/an/a
Typen/aTFTAnalogn/an/a

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATMSplash Resistant3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/an/an/a
Apps
Music

All Wearables