Polar A360 vs. Polar Loop 2 vs. Withings Go vs. Amazfit Stratos vs. Fitbit Alta HR

 
A360
Loop 2
Go
Stratos
Alta HR
 PolarA360Remove Buy NowPolarLoop 2Remove Buy NowWithingsGoRemove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$120$80$199$150
Release20152015201620182017

Activity & Fitness

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

Battery

Duration12 days8 days (without notifications)8 months5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution160 x 80n/an/a320 x 300128 x 36
Size1.18 inchesn/an/a1.34 inches1.4 inches
Touchn/a
Typen/aLEDE-InkOLEDOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR302 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables