Fitbit Alta vs. Fitbit Zip vs. Casio WSD-F20A vs. Apple Series 6 vs. Fitbit Sense 2

 
Alta
Zip
WSD-F20A
Series 6
Sense 2
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowAppleSeries 6Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$60$399$399$300
Release20162012201820202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months1 dayNot yet6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320384 x 480336x336
Sizen/an/a1.32 inches40mm1.59 inches
Touchn/a
TypeOLEDn/aLCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aSplash Resistant5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSWatchOS 5
Apps
Music

All Wearables