Fitbit Charge 2 vs. Asus VivoWatch vs. Fitbit Charge vs. Fitbit Flex vs. Apple Watch Ultra

 
Charge 2
VivoWatch
Charge
Flex
Watch Ultra
 FitbitCharge 2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$160$130$100$799
Release20162018201420132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days7-10 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 128NANA502x410 pixels
Sizen/aNANANA1.92 inches
Touchn/aNANA
TypeOLEDNAOLEDLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/aIP671 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSNANAWatchOS 9
Apps
Music

All Wearables