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

 
ZenWatch 2
Flex 2
Watch Series 2
WSD-F20A
Charge
 ASUSZenWatch 2Remove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$150$100$269$399$130
Release20162016201620182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days18 hours1 day7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a340 x 272 or 390 x 312320 x 320NA
Size1.63 inches or 1.45 inchn/a1.5 inches or 1.65 inches1.32 inchesNA
Touchn/aNA
TypeAMOLEDLEDAMOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWatch OSWear OSNA
Apps
Music

All Wearables