Fitbit Flex 2 vs. Withings Go vs. Amazfit Bip vs. Sony SmartBand

 
Flex 2
Go
Bip
SmartBand
 FitbitFlex 2Remove Buy NowWithingsGoRemove Buy NowAmazfitBipRemove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$100$80$99.99$100
Release2016201620182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 months30 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/aNA
Resolutionn/an/a176 x 176NA
Sizen/an/a1.28 inchesNA
Touchn/an/aNA
TypeLEDE-InkNANA

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP68IP58

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNA
Appsn/a
Music

All Wearables