ASUS ZenWatch 2 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Fitbit Flex vs. Amazfit GTR

 
ZenWatch 2
Watch Series 2
Ionic
Flex
GTR
 ASUSZenWatch 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$269$299$100$199
Release20162016201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a18 hours4+ days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320340 x 272 or 390 x 312348x250NA454 x 454
Size1.63 inches or 1.45 inch1.5 inches or 1.65 inches1.42NA1.39 inches
TouchNA
TypeAMOLEDAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675ATM50m1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWatch OSFitbit OSNABuild-in
Apps
Music

All Wearables