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

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

Basic Info

Suggested Price$100$269$399$799$100
Release20162016201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours1 day36 hrs10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312320 x 320502x410 pixels32x18
Sizen/a1.5 inches or 1.65 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 ATM5ATM5 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSWatchOS 9
Apps
Music

All Wearables