Polar M400 vs. Fitbit Zip vs. Asus ZenWatch vs. Garmin Forerunner 235

 
M400
Zip
ZenWatch
Forerunner 235
 PolarM400Remove Buy NowFitbitZipRemove Buy NowAsusZenWatchRemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$200$60$150$299.99
Release2014201220142017

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 monthsNA9 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320215 x 180
Sizen/an/a1.63 inches1.23 inches
Touch
Typen/an/aAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplash ResistantIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear
Apps
Music

All Wearables