Polar M400 vs. Withings Activite Pop vs. Polar Loop 2 vs. Apple Watch

 
M400
Activite Pop
Loop 2
Watch
 PolarM400Remove Buy NowWithingsActivite PopRemove Buy NowPolarLoop 2Remove Buy NowAppleWatchRemove Buy Now

Basic Info

Suggested Price$200$150$120$349
Release2014201520152015

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months8 days (without notifications)18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a340 x 272 or 390 x 312
Sizen/a1.3 inchesn/a1.5 inches or 1.65 inches
Touch
Typen/aAnalogLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM2 ATMIPX7

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OS
Apps
Music

All Wearables