Knocksser — ASO

By TUSSER SYSTEMS SOCIEDAD LIMITADA. on AppTrack Ninja.

Knocksser turns your phone into the doorbell of your home or business. Stick your personal QR on the door. When someone scans it and taps "Call", your phone rings with a real call — dedicated ringtone, full screen. You'll know it apart from any other notification. No drilling. No wires. No app for the visitor. HOW IT WORKS 1. Create your QR. 2. Stick it on your door (print on paper or sticker). 3. When someone presses it, your phone rings. Done. GREAT FOR · You live on a high floor and don't hear the doorbell. · Your doorbell has been broken for years. · You wear headphones while working or g…

Categories: Productivity, Lifestyle

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