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

 
Flex 2
Ionic
ZenWatch
WSD-F20A
Alta HR
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$100$299$150$399$150
Release20162017201420182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ daysNA1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250320 x 320320 x 320128 x 36
Sizen/a1.421.63 inches1.32 inches1.4 inches
Touchn/a
TypeLEDOLEDAMOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aFitbit OSAndroid WearWear OS
Apps
Music

All Wearables