Fitbit Flex 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Apple Watch Ultra vs. Fitbit Inspire 3

 
Flex 2
ZenWatch
WSD-F20A
Watch Ultra
Inspire 3
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch UltraRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$150$399$799$100
Release20162014201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA1 day36 hrs10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320320 x 320502x410 pixels32x18
Sizen/a1.63 inches1.32 inches1.92 inches46 inches
Touchn/a
TypeLEDAMOLEDLCDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSWatchOS 9
Apps
Music

All Wearables