Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Casio WSD-F20A vs. Fitbit Charge vs. Fitbit Flex

 
Flex 2
ZenWatch 3
WSD-F20A
Charge
Flex
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$229$399$130$100
Release20162017201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours1 day7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400320 x 320NANA
Sizen/a1.39 inches1.32 inchesNANA
Touchn/aNANA
TypeLEDAMOLEDLCDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSNANA
Apps
Music

All Wearables