
Free Nuki Door Sensor for Premium users in just 4 easy steps
Get Nuki Premium
If you already have a Smart Lock, you can activate Nuki Premium for free directly in your Nuki app.
Refer Nuki
Use the form below to send a 15% voucher to your friends. It can be used to purchase a Nuki Smart Lock + Keypad 2 bundle on Amazon.
Redeem Voucher
All of your friends get a special deal on the Nuki Smart Lock. They can use their code in our Amazon store.
Get Door Sensor
As soon as your first friend has used their discount, we will automatically send the free Door Sensor to you.

Know if your door is securely closed
In addition to your Smart Lock’s status of ”locked” or "unlocked", the Nuki Door Sensor reports if your door is open or closed. As a Nuki Premium user, you can even receive notifications whenever your door is opened. Never worry again about what’s going on at home.
Not a Nuki Premium user yet?
Activate Nuki Premium directly in your Nuki app. For a limited time only, you can activate it free of charge with our special early bird offer.