Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Apple Watch vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Flex 2
ZenWatch 3
Watch
Flex
Vivosmart 4
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$229$349$100$130
Release20162017201520132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours18 hours5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400340 x 272 or 390 x 312NA48 x 128
Sizen/a1.39 inches1.5 inches or 1.65 inchesNA0.74 inches
Touchn/aNA
TypeLEDAMOLEDAMOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX71 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Watch OSNA
Apps
Music

All Wearables