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

 
Flex 2
VivoWatch
Alta HR
Watch Ultra
Inspire 3
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch UltraRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$160$150$799$100
Release20162018201720222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days7 days36 hrs10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128128 x 36502x410 pixels32x18
Sizen/aNA1.4 inches1.92 inches46 inches
Touchn/a
TypeLEDNAOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP6710 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSWatchOS 9
Apps
Music

All Wearables