Visitors scan your QR code. You instantly receive a text. No app required. Your phone number stays private.
SilentKnock: Someone is at your front door.
No more waking sleeping babies.
No more barking dogs every time someone knocks.
No more unnecessary interruptions while you work.
SilentKnock works anywhere you want quiet, private visitor notifications.
Keep sleeping babies asleep by replacing loud knocks and ringing doorbells with quiet text notifications.
Reduce barking and keep your pets calm when visitors arrive.
Perfect for homeowners, renters, condos, and apartment entrances.
Stay focused during meetings without unexpected interruptions.
Let customers notify you quietly without a receptionist or noisy doorbell.
Give guests an easy way to notify you without disturbing everyone in the house.
Simple logic. Zero friction.
Print your custom QR code from your dashboard and tape it right over your doorbell button or entranceway.
Visitors scan it with their phone camera. No apps to download, no accounts to create.
Your phone silently buzzes with an SMS alert. Your private number is never exposed.
Simple monthly or annual pricing with no hidden fees. Cancel anytime.
🔒 Secure payments powered by Stripe.
📱 Visitors never need an app. Your phone number stays private.
✓ Cancel your subscription anytime.
Everything you need to know before getting started.
No. Visitors simply scan your QR code using their phone's camera.
SilentKnock sends an instant text message to your verified mobile number when someone scans your QR code and presses the notify button.
No. Your phone number stays private and is never shown to visitors.
Yes. The number of doors you can add depends on your subscription plan.
Yes. SilentKnock currently supports U.S. and Canadian mobile numbers for text notifications.
Most people can create an account, verify their phone, and print their first QR sign in just a few minutes.
Yes. You can manage or cancel your subscription at any time.
Your QR codes stop sending text notifications until you reactivate your subscription. Your account remains available so you can return later.