ASUS ZenWatch 2 vs. Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Casio WSD-F20A

 
ZenWatch 2
Alta
Flex 2
Ionic
WSD-F20A
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$150$130$100$299$399
Release20162016201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days4+ days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/an/a348x250320 x 320
Size1.63 inches or 1.45 inchn/an/a1.421.32 inches
Touchn/an/a
TypeAMOLEDOLEDLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATM50m5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aFitbit OSWear OS
Apps
Music

All Wearables