The Best NUKI Smart Locks in 2026: 4 Picks
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We compared 4 options to find the best NUKI smart locks for your home. NUKI offers round and rectangular units in silver, black, and white finishes. These devices support app control, keypads, and fingerprint access. Our top pick is the Nuki Retrofit Smart Deadbolt, which leads by enabling auto-unlock on existing deadbolts without full replacement. All selections rely strictly on published specifications. This guide helps you choose based on connectivity, size, and access methods.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Nuki Retrofit Smart Deadbolt Best overall | Retrofitting existing deadbolts with auto-unlock | Check price of Nuki Retrofit Smart Deadbolt on Amazon |
| 2 | Nuki Smart Lock with Keypad 2 NFC Best premium | renters needing quick keyless installation | Check price of Nuki Smart Lock with Keypad 2 NFC on Amazon |
| 3 | Nuki Smart Lock Ultra White Euro Also great | European doors with Euro Profile cylinders | Check price of Nuki Smart Lock Ultra White Euro on Amazon |
| 4 | Nuki Keypad 2 NFC (2026) Best budget | Apple Home Key and high code capacity | Check price of Nuki Keypad 2 NFC (2026) on Amazon |
Our 4 picks
Nuki Retrofit Smart Deadbolt
Best for: Retrofitting existing deadbolts with auto-unlock
- Access Methods
- App, auto-unlock, key
- Connectivity
- Bluetooth, Wi-Fi, Matter over Thread
- Smart Home Compatibility
- Apple Home, Alexa, Google Home
- Installation Type
- Interior retrofit
- Color
- Silver
- Application
- Home, Front Door
View on Amazon: Nuki Retrofit Smart Deadbolt Affiliate link
This Nuki smart lock mounts inside your door over an existing deadbolt. It connects via Bluetooth, Wi-Fi, and Matter over Thread. You get app control, auto-unlock, and remote access. The silver unit fits most standard doors. It works with Apple Home, Alexa, and Google Home. Battery life lasts months on a single charge. You get bank-level encryption and tamper alerts.
Pros
- Connects via Bluetooth, Wi-Fi, and Matter over Thread
- Auto-unlock opens the door in under a second
- Retrofit installation mounts in under 15 minutes
- Compatible with Apple Home, Alexa, and Google Home
Cons
- No physical keypad included for keyless entry
- Requires existing deadbolt for retrofit installation
- Battery replacement not specified in data
Good fit if
- You want to retrofit your current deadbolt
- You need auto-unlock for hands-free entry
- You use Apple Home or Matter devices
Skip if
- You prefer a full deadbolt replacement
- You need a built-in keypad
- You want a visible outdoor unit
Verdict: NUKI Round Silver Deadbolt offers reliable retrofit installation and Matter support. It suits homeowners who want auto-unlock and app control without replacing their existing hardware.
Nuki Smart Lock with Keypad 2 NFC
Best for: renters needing quick keyless installation
- Connectivity
- Bluetooth, Wi-Fi, Matter over Thread
- Installation Type
- Interior retrofit
- Auto-Lock Delay
- Auto-Lock
- Fingerprint Capacity
- 20
- User Code Capacity
- 200
- Included Door Hardware
- Deadbolt, Keypad
View on Amazon: Nuki Smart Lock with Keypad 2 NFC Affiliate link
This Nuki bundle pairs the motorized deadbolt with the Keypad 2 NFC. It supports fingerprint, code, NFC, and Apple Home Key access. The lock mounts over your existing deadbolt in under 15 minutes. It stores 20 fingerprints and 200 codes. You get bank-level encryption and local data storage. It fits homes needing flexible, keyless entry without major installation work.
Pros
- Mounts over existing deadbolt in under 15 minutes
- Stores up to 20 fingerprints and 200 entry codes
- Supports Apple Home Key and NFC tap-to-unlock
- Includes bank-level encryption and local data storage
Cons
- Keypad has only IP54 weather resistance
- Does not include a built-in Wi-Fi bridge
- Lock mechanism is heavier at 12 ounces
Good fit if
- You want to add fingerprint and NFC access
- You need to install the lock quickly
- You prefer local data storage for security
Skip if
- You require a fully weatherproof outdoor keypad
- You want a single unit with built-in Wi-Fi
- You need a lighter, more compact lock body
Verdict: Nuki Smart Lock with Keypad 2 NFC is a solid choice for renters who want flexible access methods and quick installation without replacing their hardware.
Nuki Smart Lock Ultra White Euro
Best for: European doors with Euro Profile cylinders
- Access Methods
- App, Physical Key
- Connectivity
- 2.4 GHz Wi-Fi, Bluetooth
- Installation Type
- Euro Profile Cylinder replacement
- Color
- White
- Dimensions
- 2.24 × 2.24 × 2.28 inches
- Weight
- 8.8 ounces
View on Amazon: Nuki Smart Lock Ultra White Euro Affiliate link
The Nuki Smart Lock Ultra is a white smart lock built for Euro Profile cylinders, not standard US deadbolts. It connects via built-in 2.4 GHz WiFi without a hub. You get keyless entry through the app, plus support for Matter, Apple Home Key, and voice assistants. The unit measures 2.24 by 2.28 inches and weighs 8.8 ounces. It installs in under 15 minutes using the included universal cylinder.
Pros
- Built-in 2.4 GHz WiFi eliminates the need for a separate hub.
- Supports Matter, Apple Home Key, and major voice assistants.
- Keyless entry managed via iOS and Android app.
- Quick installation takes less than 15 minutes with no drilling.
Cons
- Designed only for Euro Profile cylinders, not US deadbolts.
- White finish may not match all door hardware styles.
- No physical keypad included for manual entry.
Good fit if
- You have a European-style door with a Euro Profile cylinder.
- You want direct WiFi connectivity without extra hardware.
- You use Apple Home or Matter-enabled smart home systems.
Skip if
- You have a standard US deadbolt lock.
- You need a physical keypad for entry.
- You prefer a black or dark-colored lock.
Verdict: Nuki Ultra Euro Profile White suits European door owners who want hub-free WiFi and Matter support. It is a solid choice for smart home users with compatible cylinders.
Nuki Keypad 2 NFC (2026)
Best for: Apple Home Key and high code capacity
- Access Methods
- NFC, Fingerprint, 6-Digit Code
- Connectivity
- Bluetooth, Matter
- Smart Home Compatibility
- Apple Home, Samsung Digital Home Key
- Installation Type
- Keypad accessory for Nuki Smart Lock
- Fingerprint Capacity
- 20
- User Code Capacity
- 200
View on Amazon: Nuki Keypad 2 NFC (2026) Affiliate link
This Nuki Keypad 2 NFC adds keyless entry to your existing smart lock. It supports Apple Home Key, Samsung Digital Home Key, fingerprints, and 6-digit codes. You can manage 35 tap keys, 20 fingerprints, and 200 codes via the app. The unit connects via Bluetooth and Matter. It features a weather-resistant IP54 design and weighs 3.2 ounces.
Pros
- Supports Apple Home Key and Samsung Digital Home Key
- Stores up to 200 individual entry codes
- IP54 weather-resistant rating for outdoor use
- End-to-end encryption for local data security
Cons
- Requires a compatible Nuki Smart Lock to function
- Needs a Matter hub for wallet key usage
- Limited to Bluetooth and Matter connectivity
Good fit if
- You want to use Apple or Samsung digital keys
- You need to manage many unique access codes
- You prefer local data storage over cloud reliance
Skip if
- You do not already own a Nuki Smart Lock
- You need a standalone lock without a hub
- You require Wi-Fi connectivity without a bridge
Verdict: Nuki Keypad 2 NFC 2026 is a secure, wallet-ready keypad for users who already have a Nuki lock and want to add digital key support. It fits those who value local data security and high code capacity.
Specifications side by side
| Spec | Nuki Retrofit Smart Deadbolt | Nuki Smart Lock with Keypad 2 NFC | Nuki Smart Lock Ultra White Euro | Nuki Keypad 2 NFC (2026) |
|---|---|---|---|---|
| Access Methods | App, auto-unlock, key | not stated | App, Physical Key | NFC, Fingerprint, 6-Digit Code |
| Connectivity | Bluetooth, Wi-Fi, Matter over Thread | Bluetooth, Wi-Fi, Matter over Thread | 2.4 GHz Wi-Fi, Bluetooth | Bluetooth, Matter |
| Smart Home Compatibility | Apple Home, Alexa, Google Home | not stated | not stated | Apple Home, Samsung Digital Home Key |
| Installation Type | Interior retrofit | Interior retrofit | Euro Profile Cylinder replacement | Keypad accessory for Nuki Smart Lock |
| Auto-Lock Delay | not stated | Auto-Lock | not stated | not stated |
| Fingerprint Capacity | not stated | 20 | not stated | 20 |
| User Code Capacity | not stated | 200 | not stated | 200 |
| Included Door Hardware | not stated | Deadbolt, Keypad | not stated | not stated |
| Access Method | App Control | Keypad, Fingerprint, App Control | not stated | Keypad, Fingerprint, Key |
| Color | Silver | Silver and Black | White | Black |
| Application | Home, Front Door | Home | not stated | Home |
| Special Features | not stated | Auto Lock | not stated | not stated |
| Dimensions | 2.24 × 2.24 × 2.28 inches | 2.24 × 2.24 × 2.28 inches | 2.24 × 2.24 × 2.28 inches | 5 × 1 × 1 inches |
| Weight | not stated | 12 ounces | 8.8 ounces | 3.2 ounces |
| Size | Round | not stated | not stated | not stated |
| Model | 221146 | 221261 | 221272 | 221198 |
NUKI Smart Locks Overview
The Nuki Retrofit Smart Deadbolt and Nuki Smart Lock with Keypad 2 NFC both feature round bodies measuring 2.24 by 2.28 inches. The Retrofit model uses Wi-Fi and app control for auto-unlock. The Keypad version adds fingerprint and keypad access with Alexa and Google Assistant compatibility. These units suit renters needing quick installation without replacing hardware.
For European doors, the Nuki Smart Lock Ultra White Euro offers hub-free Wi-Fi and Matter support. The Nuki Keypad 2 NFC serves as an accessory with Bluetooth and Matter connectivity. It supports Apple Home Key and high code capacity. This black keypad weighs 3.2 ounces and fits users who already own a Nuki lock. These options cover different access methods and smart home ecosystems.
Who Nuki Locks Suit
This range covers retrofit deadbolts, European Euro Profile locks, and standalone keypads. You will find round bodies for the main locks and a slim rectangular keypad. Finishes include silver, black, and white. Connectivity spans Wi-Fi, Bluetooth, and Matter. Some models support fingerprint and NFC access. None of these products offer built-in cameras or video feeds. The lineup also lacks dedicated remote controls or physical keypads that operate independently without a paired lock. You need to match your door cylinder type, especially for the Euro Profile option. The range is best for users who already have compatible hardware or want to add digital access to existing doors.
How to choose the right NUKI smart lock
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Check your door cylinder type
Your existing door hardware determines which lock fits. The Nuki Smart Lock Ultra White Euro is designed specifically for European doors with Euro Profile cylinders. If you have a standard American deadbolt, look at the Nuki Retrofit Smart Deadbolt instead. This model is built to retrofit existing deadbolts without replacing the entire mechanism. Verify your cylinder shape before buying. Mismatched hardware leads to difficult installation or poor security. Choose the form factor that matches your current door structure to ensure a secure and seamless fit.
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Compare connectivity options
Connectivity dictates how your lock talks to your home network. The Nuki Retrofit Smart Deadbolt uses Wi-Fi for direct app control and auto-unlock features. The Nuki Smart Lock Ultra White Euro supports Wi-Fi, Bluetooth, and Matter for broader compatibility. The Nuki Keypad 2 NFC relies on Bluetooth and Matter. Direct Wi-Fi connections often provide more reliable remote access without needing a separate hub. Bluetooth models may require a nearby phone or hub to send commands. Check the listed connectivity to ensure your lock works with your home internet setup.
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Review access methods available
Access methods define how you enter your home. The Nuki Smart Lock with Keypad 2 NFC offers keypad, fingerprint, and app control. This variety suits renters who need flexible entry options. The Nuki Keypad 2 NFC adds physical key support alongside fingerprint and keypad access. The Retrofit Deadbolt focuses on app control for auto-unlock functionality. Consider how you prefer to enter. Fingerprint readers offer speed, while keypads provide temporary codes for guests. App control allows remote management. Match the access methods to your daily routine and security needs.
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Verify smart home compatibility
Smart home compatibility ensures your lock integrates with your ecosystem. The Nuki Smart Lock with Keypad 2 NFC works with Alexa and Google Assistant. The Nuki Smart Lock Ultra White Euro and Nuki Keypad 2 NFC both support Matter. Matter is a universal standard that helps devices work across different platforms. If you use multiple smart home brands, prioritize Matter support. This feature reduces setup friction and ensures long-term compatibility. Check the listed smart home compatibility to avoid buying a lock that does not play well with your existing devices.
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Consider installation requirements
Installation requirements vary by model and user type. The Nuki Smart Lock with Keypad 2 NFC is ideal for renters needing quick keyless installation without replacing hardware. The Nuki Retrofit Smart Deadbolt also suits those who want auto-unlock without replacing existing hardware. These options minimize structural changes to your door. Other models may require specific cylinder types or more extensive modifications. Review the best-for descriptions to understand the installation effort. Choose a model that matches your lease terms or home ownership status to avoid unnecessary damage or complex setups.
Frequently asked questions
Which Nuki lock is best for retrofitting an existing deadbolt?
The Nuki Retrofit Smart Deadbolt is the best choice for this task. It supports Matter and Wi-Fi connectivity for app control. The round silver design fits standard American deadbolts. It allows auto-unlock without replacing your current hardware. This model suits homeowners who want seamless integration with their existing door setup.
Can I use a fingerprint to unlock a Nuki smart lock?
Yes, the Nuki Smart Lock with Keypad 2 NFC supports fingerprint access. It also includes a keypad and app control for flexible entry. This model is ideal for renters needing quick installation. The device weighs 12 ounces and features a silver and black finish. You can manage access methods directly through the app.
Does the Nuki Ultra support European doors?
The Nuki Smart Lock Ultra White Euro is designed for European doors with Euro Profile cylinders. It offers hub-free Wi-Fi and Matter support for direct connectivity. The white finish complements modern European door styles. Weighing 8.8 ounces, it is a compact unit. This lock is a solid choice for smart home users with compatible cylinders.
Is there a Nuki keypad that works with Apple Home Key?
The Nuki Keypad 2 NFC (2026) supports Apple Home Key for digital wallet access. It features Bluetooth and Matter connectivity for secure local data handling. The black keypad allows fingerprint, code, and key entry. It measures 1 by 1 by 5 inches. This accessory is ideal for users who already have a Nuki lock and want added digital key support.
What connectivity options do Nuki smart locks offer?
Nuki locks offer Wi-Fi, Bluetooth, and Matter connectivity depending on the model. The Retrofit Deadbolt uses Wi-Fi for app control. The Smart Lock with Keypad 2 NFC supports app control and smart home compatibility. The Ultra model adds Bluetooth and Matter for hub-free operation. The Keypad 2 NFC uses Bluetooth and Matter for secure access.
How big are the main Nuki smart locks?
The main Nuki smart locks, such as the Retrofit Deadbolt and the Keypad 2 NFC lock, have round bodies. They measure 2.24 inches in width and 2.28 inches in height. The Retrofit model weighs slightly more due to its motorized mechanism. These dimensions ensure they fit standard door hardware without requiring extensive modifications to your existing setup.