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

 
Alta
VivoWatch
Flex
Watch Series 4
Inspire HR
 FitbitAltaRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$130$160$100$329$99
Release20162018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days5 daysNot Yet5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 128NA384 x 480139 x 60
Sizen/aNANA1.78 inches1.4 inches
Touchn/aNA
TypeOLEDNALEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/aIP671 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aKoodOSNAWatch OS 5Fitbit OS
Apps
Music

All Wearables