Fitbit Flex 2 vs. Apple Watch vs. Asus ZenWatch vs. Fitbit Alta HR vs. Fitbit Inspire 3

 
Flex 2
Watch
ZenWatch
Alta HR
Inspire 3
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$349$150$150$100
Release20162015201420172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNA7 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312320 x 320128 x 3632x18
Sizen/a1.5 inches or 1.65 inches1.63 inches1.4 inches46 inches
Touchn/a
TypeLEDAMOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7IP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid Wear
Apps
Music

All Wearables