Fitbit Flex 2 vs. Asus VivoWatch vs. Apple Watch Series 4 vs. Apple Watch Series 5 vs. Fitbit Inspire HR

 
Flex 2
VivoWatch
Watch Series 4
Watch Series 5
Inspire HR
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$160$329$329$99
Release20162018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 daysNot YetNot Yet5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128384 x 480384 x 480139 x 60
Sizen/aNA1.78 inches1.78 Inches1.4 inches
Touchn/a
TypeLEDNAMicroLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP67Not YetNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSWatch OS 5WatchOS 5Fitbit OS
Apps
Music

All Wearables