Withings Activite Sapphire vs. Withings Go vs. Amazfit Stratos vs. Michael Kors Access Sofie vs. Fitbit Alta HR

 
Activite Sapphire
Go
Stratos
Access Sofie
Alta HR
 WithingsActivite SapphireRemove Buy NowWithingsGoRemove Buy NowAmazfitStratosRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$450$80$199$395$150
Release20142016201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months8 months5 days1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 300390 x 390 1.19 inches128 x 36
Size1.3 inchesn/a1.34 inches1.4 inches
Touchn/aAMOLDED
TypeAnalogE-InkOLEDOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aProprietaryAndroid Wear 2.0
Appsn/a
Music

All Wearables