Fitbit Alta vs. Fitbit Zip vs. ASUS ZenWatch 3 vs. Casio WSD-F20A vs. Apple Series 6

 
Alta
Zip
ZenWatch 3
WSD-F20A
Series 6
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowASUSZenWatch 3Remove Buy NowCasioWSD-F20ARemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$60$229$399$399
Release20162012201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months48 hours1 dayNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400320 x 320384 x 480
Sizen/an/a1.39 inches1.32 inches40mm
Touchn/a
TypeOLEDn/aAMOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aSplash Resistant5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OSWatchOS 5
Apps
Music

All Wearables