Polar Loop 2 vs. Asus VivoWatch vs. Casio WSD-F20A vs. Fitbit Flex vs. Jawbone UP4

 
Loop 2
VivoWatch
WSD-F20A
Flex
UP4
 PolarLoop 2Remove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$120$160$399$100$200
Release20152018201820132015

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours to 10 days1 day5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 128320 x 320NANA
Sizen/aNA1.32 inchesNANA
TouchNANA
TypeLEDNALCDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance2 ATMIP675 ATM1 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSWear OSNANA
Apps
MusicNA

All Wearables