Zuul Systems vs Da Buzzer

The ZUUL Systems app allows registered users with residential access to directly send guests a pass for entry into their gated community. Advanced features allow for a significant reduction in wait time at the gate for guests, as well as improved security measures for residents. Registered guests can request a pass from residents. Create groups, favorites, and import all your contacts directly from your phone. Passes contain your pre-scanned ID, unique QR code, and ability to get directions and add a pass to calendars as a reminder.

Your Doorbell, Reinvented. Da Buzzer is a smart, wireless, and effortless way to know when someone is at your door—without installing hardware or relying on batteries. Simply generate and print your unique QR code. When guests scan it, you instantly receive a notification on your phone. Perfect for Every Home or Business Whether you live with family, share a space with roommates, or manage a storefront, Da Buzzer supports multiple users. Add several people to the same QR code so everyone gets notified at the same time—never miss a visitor again. Always On. Always Reliable. No wires. No power source. No extra devices. Da Buzzer works anywhere you have internet access, making it ideal for buildings with limited infrastructure or frequent power outages. Create a Personalized Welcome Customize your QR-powered visitor page with names, instructions, or location details—helping guests know exactly where to go and who they’re there to see. Da Buzzer turns any door into a smart entrance—with zero setup hassles.