Polar Loop 2 vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Jawbone UP4

 
Loop 2
Charge
Flex
Vivofit 4
UP4
 PolarLoop 2Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$120$130$100$79.95$200
Release20152014201320182015

Activity & Fitness

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

Battery

Duration8 days (without notifications)7-10 days5 days1 yearNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA88 x 88NA
Sizen/aNANANANA
TouchNANANA
TypeLEDOLEDLEDNANA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM1 ATM5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANA
Apps
MusicNA

All Wearables