Sacnbell

A QR-powered smart doorbell with one-way video calling

Sacnbell launched on January 11, 2026 with 1 votes.

Visit scanbell.netlify.app ↗Sacnbell alternatives

What it does

ScanBell is a QR-based smart doorbell designed for renters and modern homes. Visitors scan a QR code placed on your door. You instantly receive a notification. See who’s outside with a one-way video call. No hardware. No wiring. No installation. Just scan.

scanbell

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I built an app to use a QR code as my doorbell2024 · dingdongdoorbell.com · ▲140
I didn’t have a doorbell before (multiple reasons) and my house feels unwelcoming without one. So I built a doorbell app that uses a QR code - visitors scan the QR code to ring the doorbell and I get notified on my phone. Here is an example of the QR code I have on my door. You can scan it and say hello: https://www.thebacklog.net/img/2024/10/show-hn.png This was also a great excuse to build my first app for Android and iPhone. I’d love to get some feedback before I spend more time polishing the app. Please try it out and feel free to ask me any questions! No…
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The $0 video doorbell. No hardware, just a QR code.
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Smart QR DoorbellJul 2026 · play.google.com · ▲3
Turn your smartphone into a smart doorbell with QR code.

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