Fitbit Alta vs. Fitbit Zip vs. Amazfit Stratos vs. Casio WSD-F20A vs. Apple Watch 7

 
Alta
Zip
Stratos
WSD-F20A
Watch 7
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$60$199$399$429
Release20162012201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months5 days1 day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 300320 x 320396 x 484
Sizen/an/a1.34 inches1.32 inches1.9 inches
Touchn/a
TypeOLEDn/aOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aProprietaryWear OSWatchOS 8
Apps
Music

All Wearables