Apple Watch Series 3 vs. ASUS ZenWatch 2 vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Casio WSD-F20A

 
Watch Series 3
ZenWatch 2
Flex 2
ZenWatch
WSD-F20A
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$329$150$100$150$399
Release20172016201620142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a5 daysNA1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312320 x 320n/a320 x 320320 x 320
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inchn/a1.63 inches1.32 inches
Touchn/a
TypeAMOLEDAMOLEDLEDAMOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATMIP555 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemWatchOS 4Android Wearn/aAndroid WearWear OS
Apps
Music

All Wearables