ASUS ZenWatch 2 vs. Fitbit Ionic vs. Asus VivoWatch vs. Fitbit Flex vs. Apple SE

 
ZenWatch 2
Ionic
VivoWatch
Flex
SE
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$150$299$160$100$279
Release20162017201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days24 hours to 10 days5 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250128 x 128NA384 x 480
Size1.63 inches or 1.45 inch1.42NANA40mm
TouchNA
TypeAMOLEDOLEDNALEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet SensorNot yet
Water ResistanceIP6750mIP671 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSKoodOSNAWatchOS 5
Apps
Music

All Wearables