Da Buzzer 对比 QRCALL 的使用情况和统计数据

Get notified when guests arrive!  Da Buzzer is a simple and convenient app that lets you know when someone is at your door.  Create and print a unique QR code, and when scanned, receive instant notifications on your device. Multi-User Support: Da Buzzer works for multiple users, making it perfect for families, roommates, or businesses. Add multiple users to a single QR code, and receive notifications simultaneously. Never miss a visitor again! Reliable and Always-On: Da Buzzer doesn't require a battery-powered device, making it perfect for areas with frequent power outages. As long as you have a phone connected to the internet, you'll receive notifications whenever someone scans your QR code. Personalize Your Visitor Experience: With the customizable QR code webpage, users can personalize their visitor experience and make it easier for guests to know who they're visiting and where they are.