Fitbit Charge 2 vs. Fitbit Flex 2 vs. Polar Loop 2 vs. Jawbone UP4

 
Charge 2
Flex 2
Loop 2
UP4
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$150$100$120$200
Release2016201620152015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days8 days (without notifications)NA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNA
Sizen/an/an/aNA
Touchn/an/aNA
TypeOLEDLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM2 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
MusicNA

All Wearables