Turn your Smartphone into a key – with Nuki Nuki: The retrofittable, smart door lock. Innovated in Austria – manufactured in Europe. APP REPLACES KEYS Turn your smart devices into keys. With the free Nuki app, you can open your door with your smartphone or your Wear OS smartwatch, including Tiles and Complications. Open the door with just one click, even remotely. SHARING KEYS Share access permissions with the Nuki app. Simple and secure. You decide who has access. With the activity log you