ASUS ZenWatch 2 vs. Fitbit Flex vs. Jawbone UP3 vs. Apple Series 6 vs. Apple Watch Ultra

 
ZenWatch 2
Flex
UP3
Series 6
Watch Ultra
 ASUSZenWatch 2Remove Buy NowFitbitFlexRemove Buy NowJawboneUP3Remove Buy NowAppleSeries 6Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$100$180$399$799
Release20162013201320202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 daysNot yet36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANA384 x 480502x410 pixels
Size1.63 inches or 1.45 inchNANA40mm1.92 inches
TouchNANA
TypeAMOLEDLEDNAMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP671 ATMNA10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNANAWatchOS 5WatchOS 9
Apps
MusicNA

All Wearables