Fitbit Zip vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Inspire HR vs. Apple Series 6

 
Zip
WSD-F20A
645 Music
Inspire HR
Series 6
 FitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitInspire HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$60$399$450$99$399
Release20122018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months1 day7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240139 x 60384 x 480
Sizen/a1.32 inches1.2 inches1.4 inches40mm
Touch
Typen/aLCDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplash Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSFitbit OSWatchOS 5
Apps
Music

All Wearables