Polar Loop 2 vs. Withings Go vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Polar Loop

 
Loop 2
Go
Ionic
Charge 3
Loop
 PolarLoop 2Remove Buy NowWithingsGoRemove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$120$80$299$150$100
Release20152016201720182013

Activity & Fitness

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

Battery

Duration8 days (without notifications)8 months4+ days7 days5 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNot yetNA

Connectivity

Bluetoothn/a
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x25066 x 18NA
Sizen/an/a1.42.721 inchesNA
Touchn/a
TypeLEDE-InkOLEDOLEDLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM50m5 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSNANA
Appsn/a
Music

All Wearables