Fitbit Flex 2 vs. Apple Watch vs. Asus VivoWatch vs. Fitbit Inspire HR vs. Fitbit Inspire 3

 
Flex 2
Watch
VivoWatch
Inspire HR
Inspire 3
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowAsusVivoWatchRemove Buy NowFitbitInspire HRRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$349$160$99$100
Release20162015201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours24 hours to 10 days5 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 312128 x 128139 x 6032x18
Sizen/a1.5 inches or 1.65 inchesNA1.4 inches46 inches
Touchn/a
TypeLEDAMOLEDNAOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIPX7IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSKoodOSFitbit OS
Apps
Music

All Wearables