Withings Activite Sapphire vs. Fitbit Zip vs. Withings Go vs. Fitbit Flex vs. Polar Loop

 
Activite Sapphire
Zip
Go
Flex
Loop
 WithingsActivite SapphireRemove Buy NowFitbitZipRemove Buy NowWithingsGoRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$450$60$80$100$100
Release20142012201620132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months6 months8 months5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNANA
Size1.3 inchesn/an/aNANA
Touchn/aNA
TypeAnalogn/aE-InkLEDLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant5 ATM1 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aNANA
Appsn/a
Music

All Wearables