Polar Loop 2 vs. Amazfit Bip vs. Casio WSD-F20A vs. Fitbit Charge 3 vs. Jawbone UP4

 
Loop 2
Bip
WSD-F20A
Charge 3
UP4
 PolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$120$99.99$399$150$200
Release20152018201820182015

Activity & Fitness

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

Battery

Duration8 days (without notifications)30 days1 day7 daysNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a176 x 176320 x 32066 x 18NA
Sizen/a1.28 inches1.32 inches.721 inchesNA
TouchNA
TypeLEDNALCDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP685 ATM5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
MusicNA

All Wearables