Sacnbell
The $0 video doorbell. No hardware, just a QR code.
Sacnbell launched on June 29, 2026 with 3 votes, #6,658 of 22,647 launches that month and more than 50% of that year's launches.
What it does
Replace expensive hardware & drilling bans with a 100% digital virtual doorbell. Generate a custom QR code, print it, & stick it on your door. When visitors scan it, it rings your devices & launches a real-time WebRTC audio/video call. No apps required!
scanbell
Does a similar job
all alternatives →
I built an app to use a QR code as my doorbell2024 · dingdongdoorbell.com · ▲140I 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…
Google's Nest DoorbellApr 2026 · store.google.com · ▲118Smart, battery-powered video doorbell to detect what matters
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