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

 
Watch Series 3
Flex 2
Watch
WSD-F20A
Versa
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy Now

Basic Info

Suggested Price$329$100$349$399$199.99
Release20172016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days18 hours1 day4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a340 x 272 or 390 x 312320 x 320300 x300
Size1.5 inches or 1.65 inchesn/a1.5 inches or 1.65 inches1.32 inches1.34 inches
Touchn/a
TypeAMOLEDLEDAMOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWatch OSWear OS
Apps
Music

All Wearables