Withings Go vs. Amazfit Stratos vs. Fitbit Alta HR vs. Fitbit Flex

 
Go
Stratos
Alta HR
Flex
 WithingsGoRemove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$80$199$150$100
Release2016201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months5 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300128 x 36NA
Sizen/a1.34 inches1.4 inchesNA
Touchn/aNA
TypeE-InkOLEDOLEDLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryNA
Appsn/a
Music

All Wearables