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Sacnbell
The $0 video doorbell. No hardware, just a QR code.
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!
Hey Product Hunt! 👋
I’m the creator of scanBell. The idea came out of pure frustration: I wanted a smart doorbell but couldn't justify spending $200 on physical hardware, dealing with battery recharging, or drilling holes into a rental property wall.
I realized almost every single visitor carries a smartphone with a web browser. Why not leverage that instead of buying heavy plastic devices?
So, I built scanBell. It uses a high-performance FastAPI backend handling an ultra-low latency in-memory WebRTC signaling relay, paired with a clean React frontend and a Flutter app for instant native push notifications. The best part? Your visitors don't have to download a single thing to ring your bell—it all runs seamlessly in their native mobile browser.
It's completely free to set up and try at scanbell.pages.dev.
I would love to hear your thoughts, feedback, or any edge-case feature requests you want me to add to the roadmap! What features should I build next?
About Sacnbell on Product Hunt
“The $0 video doorbell. No hardware, just a QR code.”
Sacnbell was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #158 on the daily leaderboard. 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!
On the analytics side, Sacnbell competes within Home and Internet of Things — topics that collectively have 396.2k followers on Product Hunt. The dashboard above tracks how Sacnbell performed against the three products that launched closest to it on the same day.
Who hunted Sacnbell?
Sacnbell was hunted by Anshuk Reddy. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Sacnbell including community comment highlights and product details, visit the product overview.
Anshuk Reddy