ASUS ZenWatch 3 vs. Fitbit Ionic vs. Amazfit Stratos vs. Fitbit Flex vs. Apple Watch 8

 
ZenWatch 3
Ionic
Stratos
Flex
Watch 8
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$229$299$199$100$499
Release20172017201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours4+ days5 days5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250320 x 300NA340 x 272 or 390 x 312
Size1.39 inches1.421.34 inchesNA1.5 inches or 1.65 inches
TouchNA
TypeAMOLEDOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSProprietaryNAWatchOS 9
Apps
Music

All Wearables