Nuki Smart Lock Ultra

Name: Nuki Smart Lock Ultra
Brand: Nuki
SKU: 958018
Price: 349 EUR
Availability: InStock
Rating: 9.3 (19 reviews)

Review is 9,3 out of 10, based on 19 reviews.
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Our choice for a smart door lock that replaces your current cylinder

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Product information
Accessories
Reviews
Extended Warranty
Specifications

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Reviews
- Geofencing, Hands-free sensor, Push button on door lock , Smartphone app
- Geofencing, Push button on door lock , Smartphone app
- Geofencing, Push button on door lock , Smartphone app
- Geofencing, Push button on door lock , Smartphone app

Inner cylinder dimension
- 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm
- 30mm, 35mm
- 30mm, 35mm, 40mm, 45mm
- 30mm, 35mm
Outer cylinder dimension
- 30mm, 45mm, 50mm, 65mm
- 30mm, 35mm, 40mm, 45mm
- 30mm, 35mm, 40mm, 45mm
- 30mm, 35mm, 40mm, 45mm
- Amazon Alexa, Apple HomeKit, Google Assistant, Homey, Matter, Samsung SmartThings
- Google Assistant, Homey, IFTTT
- Google Assistant, Homey, IFTTT
- Google Assistant, Homey, IFTTT

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Product information

Key specs

	Suitable for door lock type	Euro cylinder , Three-point lock
	Type of mounting options door lock	Replacement of current cylinder
	Open door via	Geofencing, Hands-free sensor, Push button on door lock , Smartphone app
	Inner cylinder dimension	30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm
	Outer cylinder dimension	30mm, 45mm, 50mm, 65mm
	Controls via app
	Smart home platform	Amazon Alexa, Apple HomeKit, Google Assistant, Homey, Matter, Samsung SmartThings

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Pros and cons

According to our door lock expert

With the universal cylinder, this door lock fits on most doors.
Via the built-in WiFi, you can also open the lock remotely.
The smart door lock knows exactly where you are thanks to geofencing, so it opens automatically when you're close by.
If your current lock doesn't unlock easily because your door jams, the smart lock works less well.
The Nuki Ultra doesn't work with older universal cylinders.

Description

With the Nuki Smart Lock Ultra, you can open your front or back door with your smartphone. Thanks to the included universal cylinder, this smart door lock fits on almost any door. You can easily install the lock with help from the Nuki app on your smartphone. Via the built-in WiFi module of the lock, you can also open the lock remotely via the app. You can unlock the door before you carry your groceries inside, so you don't have to put down your bags, for example. You can also set up geofencing, so the lock knows when you're nearby. It then opens automatically. The difference with its predecessor, is the built-in battery of this Nuki lock. You can charge the battery within 2 hours, while the lock is still placed on the door. Thanks to Matter, it works with your other smart devices.

Tips for using this product

Included by default

Manual(1.85 MB)
Installation material
Universal cylinder
Keys 3x
USB-C charging cable

Reviews

Rating

5 stars

4 stars

3 stars

2 stars

1 star

Most helpful reviews

Review is 9,6 out of 10.

Fine product

Easy installation
Nice app
Works well
Not cheap

After much deliberation, we decided to try a smart door lock. We made a list of requirements and wishes and the Nuki Ultra emerged as the winner.

The Nuki 4 was ruled out because of the ugly battery lump hanging underneath. In addition, the cylinder lock had to be replaced by a cylinder with a panic function, which we did not have. That would mean that we would have to replace all the cylinders in the house or have 2 different keys for the front and back door.

The LOQED was ruled out because you have to replace the entire shield, and we were afraid that it would not match our current shield and that you would have to start painting again. In addition, we had some doubts because they had gone bankrupt and the quality of the sensor on the outside, and the fact that you have a sensor on your outside door that might attract attention. The Nuki Ultra is invisible from the outside, there is simply a cylinder lock.

Installing the Nuki Ultra is easy. The app neatly guides you through everything you need to do, step by step. Everything you need is included. It starts with measuring your lock (measuring cards are included) and replacing the cylinder with the Nuki cylinder. You make this to size using an ingenious system of spacers and that works fine. You then mount the cylinder in your door, place the lock itself on the cylinder, calibrate it and if everything works in my case, you are basically done with the installation. Total time was 30 minutes, and if I had to do it again I think it could be done in 15 minutes.

You get 3 physical keys (including a card with a code to have more made yourself) in case the lock no longer works, or if you have someone in your family who cannot handle a smartphone or something.

The Nuki app is also super clear, you can configure who should have access (create QR codes in the app and have that person scan them, or share them via WhatsApp for example), what type of access and whether there are any time restrictions. For example, you could choose to only give the interior caretaker access on Mondays, between 08:00 and 12:00 (for example). All very clear and easy to set up.

Furthermore, the lock has geofencing, which means that the lock "knows" where it is and where you are (by means of position determination on your smartphone). If you have been further than 100 meters from your home, you can set the lock to open automatically when you enter the geofence again and the lock makes contact with your smartphone via Bluetooth. This results in the door opening automatically when I come home from work and park the car in the driveway, so that I can quickly get inside, very handy when your hands are full or it is raining heavily.

In the beginning we had some problems with the automatic opening of the door, which turned out to be due to not being far enough from the "geofence". Otherwise, the lock works without any problems. The lock came with 84% battery charge and now has 74% charge, while it is used multiple times a day. Nuki claims up to 6 months of use on 1 charge, I think you can indeed achieve that if you charge it to 100%. Furthermore, you get warnings well in advance when the lock is running out of power and needs to be charged.

Charging is done via a supplied cable (2 meters long) that magnetically clicks onto the lock. So you don't have to remove the battery and the advantage is that the lock can also be used while charging. I think I'm going to use a power bank for this, because I don't have a power outlet within 2 meters of the door.

In terms of noise: it is certainly not a silent lock. We have it on "Insane" speed because the noise level on the other settings is not much lower but does last longer. However, we don't find it annoying, but if you want to install it next to a child's room, I would test that first in terms of noise.

We have been using it for over 2 weeks now and are very satisfied. It is expensive but the build quality and design of the universal cylinder show that.

Review by:
A. Schepers
Date:
9 February 2025
Translation:
Automatically translated from Dutch

Review is 9,6 out of 10.

What a convenience

Small
Easy to install

I now have four Nuki locks, three of which are Ultras. The previous Nukis just broke. I hope this series is better. It works perfectly.

Review by:
martin harms
Date:
25 July 2025
Translation:
Automatically translated from Dutch

Review is 10 out of 10.

Small but nice, and the best in this line

Smallest version of the Nuki series
Easy to install
incl SKG3 cylinder
You need a power point nearby to charge it

Small and compact size that is easy to install. Nice finish and many options for use

Review by:
Jeroen
Date:
8 February 2025
Translation:
Automatically translated from Dutch

Coolblue Extended Warranty for your door lock

With Coolblue Extended Warranty, you are protected against costs due to quality defects of your door lock for the next 4 years. During the entire term, we will reimburse up to the original purchase price. You can easily add the Extended Warranty in your shopping cart.

During the entire term, we'll refund you up to the original purchase price.
Receive CoolblueCredit worth the purchase price if a repair or replacement isn't possible
No deductible or other additional charges
30-day return window

€ 25,99

one-time

How can I buy Extended Warranty?

Add your door lock to your shopping cart. In the next step, you can add the Extended Warranty. You can exchange or return your purchase for free within 30 days.

Want to know more?

Specifications

Product

Product
	Product number	958018
	Manufacturer code	NU032
	Brand	Nuki
	Warranty	2 years
	Processing of your defect	Via Coolblue

Properties

Properties
	Suitable for door lock type	Euro cylinder , Three-point lock
	Type of mounting options door lock	Replacement of current cylinder
	Cylinder included
	Suitable for all cylinder sizes
	Inner cylinder dimension	30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm
	Outer cylinder dimension	30mm, 45mm, 50mm, 65mm
	Open door via	Geofencing, Hands-free sensor, Push button on door lock , Smartphone app
	Key management	Computer, Smartphone, Tablet
	Certification mark	SKG***

Connectivity

Connectivity
	Linkable to home automation
	Smart home platform	Amazon Alexa, Apple HomeKit, Google Assistant, Homey, Matter, Samsung SmartThings
	Protocol	Bluetooth, WiFi
	Controls via app
	Controlled via Apple app
	Controlled via Android app
	Bridge required for WiFi connection

Physical properties

Physical properties
	Height	5,8 cm
	Width	5,7 cm
	Depth	5,7 cm
	Weight	250 g
	IP certification	No IP certification
	Power supply type	Rechargeable battery
	Type of battery	Specific battery
	Average battery life	4380 hours
	Battery charging time	2 h

This is the one

Nuki Smart Lock Ultra

Review is 9,3 out of 10, based on 19 reviews.

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Nuki Smart Lock Ultra

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Nuki Smart Lock Ultra