Fitbit Zip vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Diesel On Full Guard 2.5 vs. Apple Series 6

 
Zip
WSD-F20A
Alta HR
On Full Guard 2.5
Series 6
 FitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$60$399$150$325$399
Release20122018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months1 day7 days4 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320128 x 36454x454384 x 480
Sizen/a1.32 inches1.4 inches1.39 inches40mm
Touch
Typen/aLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplash Resistant5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSWatchOS 5
Apps
Music

All Wearables