Fitbit Alta vs. Asus VivoWatch vs. Fitbit Flex vs. Fitbit Versa 2 vs. Apple Watch Ultra

 
Alta
VivoWatch
Flex
Versa 2
Watch Ultra
 FitbitAltaRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy NowFitbitVersa 2Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$160$100$199$799
Release20162018201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days5 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 128NA300 x 300502x410 pixels
Sizen/aNANA1.34 inches1.92 inches
Touchn/aNA
TypeOLEDNALEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/aIP671 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aKoodOSNABuild-inWatchOS 9
Apps
Music

All Wearables