Fitbit Zip vs. Amazfit Stratos vs. Casio WSD-F20A vs. Garmin Vivosmart 3 vs. Apple Series 6

 
Zip
Stratos
WSD-F20A
Vivosmart 3
Series 6
 FitbitZipRemove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowGarminVivosmart 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$60$199$399$139.99$399
Release20122018201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months5 days1 day5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300320 x 32064 x 128384 x 480
Sizen/a1.34 inches1.32 inchesNA40mm
Touch
Typen/aOLEDLCDOLEDMicroLED

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/aProprietaryWear OSWatchOS 5
Apps
Music

All Wearables