ASUS ZenWatch 2 vs. Fitbit Ionic vs. Diesel On Full Guard vs. Fitbit Flex vs. Apple Series 6

 
ZenWatch 2
Ionic
On Full Guard
Flex
Series 6
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$299$325$100$399
Release20162017201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days1 day5 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250454 x 454NA384 x 480
Size1.63 inches or 1.45 inch1.421.4 inchesNA40mm
TouchNA
TypeAMOLEDOLEDOMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP6750mIP671 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSAndroid Wear 2.0NAWatchOS 5
Apps
Music

All Wearables