Withings Activite Sapphire vs. Fitbit Flex 2 vs. Withings Go vs. Fitbit Ionic

 
Activite Sapphire
Flex 2
Go
Ionic
 WithingsActivite SapphireRemove Buy NowFitbitFlex 2Remove Buy NowWithingsGoRemove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$450$100$80$299
Release2014201620162017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months5 days8 months4+ 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/an/a
Resolutionn/an/an/a348x250
Size1.3 inchesn/an/a1.42
Touchn/an/a
TypeAnalogLEDE-InkOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM50m

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables