Polar V800 vs. Withings Activite Sapphire vs. Withings Go vs. Fitbit Ionic vs. Amazfit Stratos

 
V800
Activite Sapphire
Go
Ionic
Stratos
 PolarV800Remove Buy NowWithingsActivite SapphireRemove Buy NowWithingsGoRemove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$470$450$80$299$199
Release20142014201620172018

Activity & Fitness

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

Battery

Duration13 hours to 30 days8 months8 months4+ days5 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
Resolutionn/an/an/a348x250320 x 300
Sizen/a1.3 inchesn/a1.421.34 inches
Touchn/a
Typen/aAnalogE-InkOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM50m5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aFitbit OSProprietary
Appsn/a
Music

All Wearables