Polar M400 vs. Polar Loop 2 vs. Withings Pulse Ox vs. Apple Watch vs. Garmin Forerunner 235

 
M400
Loop 2
Pulse Ox
Watch
Forerunner 235
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowWithingsPulse OxRemove Buy NowAppleWatchRemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$200$120$120$349$299.99
Release20142015201420152017

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)2 weeks18 hours9 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorblue
Resolutionn/an/a128 x 32340 x 272 or 390 x 312215 x 180
Sizen/an/an/a1.5 inches or 1.65 inches1.23 inches
TouchSwipe
Typen/aLEDOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATMIPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OS
Apps
Music

All Wearables