Polar Loop 2 vs. Withings Go vs. Withings Pulse Ox vs. Garmin Forerunner 235 vs. Garmin Vivofit 4

 
Loop 2
Go
Pulse Ox
Forerunner 235
Vivofit 4
 PolarLoop 2Remove Buy NowWithingsGoRemove Buy NowWithingsPulse OxRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$120$80$120$299.99$79.95
Release20152016201420172018

Activity & Fitness

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

Battery

Duration8 days (without notifications)8 months2 weeks9 days1 year
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/ablue
Resolutionn/an/a128 x 32215 x 18088 x 88
Sizen/an/an/a1.23 inchesNA
Touchn/aSwipe
TypeLEDE-InkOLEDMIPNA

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/a
Appsn/a
Music

All Wearables