NUKI Retrofit Smart Deadbolt vs NUKI Keypad 2 NFC: Spec Comparison
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This nuki retrofit smart deadbolt vs keypad 2 nfc comparison looks at two distinct Nuki products. Both offer secure, keyless entry for your home. The primary difference lies in their function. The first is a complete deadbolt lock that mounts inside. The second is an external keypad accessory. You need a compatible Nuki lock to use the keypad. This guide compares their specs to help you decide which fits your door setup.
Key differences
| Aspect | Nuki Retrofit Smart Deadbolt | Nuki Keypad 2 NFC (2026) |
|---|---|---|
| Product Type | Smart Deadbolt Lock | External Keypad Accessory |
| Access Methods | App, Auto-unlock, Physical Key | NFC, Fingerprint, 6-Digit Code, App |
| Connectivity | Bluetooth, Wi-Fi, Matter over Thread | Bluetooth, Matter |
| Color | Silver | Black |
| Dimensions | 2.24 x 2.28 x 2.24 inches | 1 x 1 x 5 inches |
| Weather Resistance | Not listed | IP54-rated |
Which one should you choose?
Choose Nuki Retrofit Smart Deadbolt if
- You need a complete lock solution without an existing smart deadbolt.
- You prefer auto-unlock features and Wi-Fi connectivity for remote access.
- You want a compact, silver device that mounts entirely indoors.
Choose Nuki Keypad 2 NFC (2026) if
- You already own a compatible Nuki smart lock and want keypad entry.
- You want to unlock your door using fingerprints or NFC-enabled phones.
- You need an external, weather-resistant device with local data storage.
Verdict: Choose the Nuki Retrofit Smart Deadbolt if you need a full lock replacement with Wi-Fi and auto-unlock capabilities. Select the Nuki Keypad 2 NFC if you already have a compatible lock and want versatile entry options like fingerprints or NFC. The keypad adds flexibility to an existing system, while the deadbolt provides a complete standalone solution.
Nuki Retrofit vs Keypad 2 NFC
Access method
The Nuki Retrofit Smart Deadbolt offers app control, auto-unlock, and a physical key. It relies on your smartphone’s Bluetooth or Wi-Fi for hands-free entry. The Nuki Keypad 2 NFC adds multiple physical methods. You can use NFC, fingerprints, or a six-digit code. It supports up to 35 tap keys, 20 fingerprints, and 200 codes. This gives you more options for guests. The deadbolt lacks a keypad or fingerprint sensor. The keypad lacks auto-unlock and remote locking. It only unlocks the door when paired with a compatible lock.
Connectivity
The Nuki Retrofit Smart Deadbolt connects via Bluetooth, Wi-Fi, and Matter over Thread. This allows direct remote access without a separate hub. The Nuki Keypad 2 NFC uses Bluetooth and Matter. It does not list Wi-Fi. The keypad requires a compatible Nuki Smart Lock and a Matter hub for wallet features. The deadbolt is a standalone unit with built-in Wi-Fi. It connects directly to your network. The keypad is an accessory that depends on another device for full smart home integration. The deadbolt offers more independent connectivity options.
Smart home compatibility
The Nuki Retrofit Smart Deadbolt works with Apple Home, Alexa, Google Home, and SmartThings. It integrates into various ecosystems seamlessly. The Nuki Keypad 2 NFC supports Apple Home Key and Samsung Digital Home Key. It also connects via the Nuki App. The keypad requires a Matter hub for wallet use. The deadbolt supports Matter over Thread for reliable connectivity. Both products support major smart home platforms. The deadbolt includes SmartThings support, which the keypad data does not mention. The keypad focuses on phone-based wallet keys rather than broad platform integration.
Power source
The Nuki Retrofit Smart Deadbolt uses rechargeable batteries. They charge in two hours and last for months. The Nuki Keypad 2 NFC uses batteries with a twelve-month life. It does not specify rechargeability. The keypad uses adhesive strips or screws for installation, implying internal power. The deadbolt mounts over your existing deadbolt. Both devices offer long battery life. The keypad’s twelve-month duration is a clear specification. The deadbolt’s rechargeable nature allows you to reuse the power source. The keypad data does not confirm if its batteries are replaceable or rechargeable.
Build and installation
The Nuki Retrofit Smart Deadbolt mounts in under fifteen minutes on the inside of your door. It requires no drilling. It is silver and round. The Nuki Keypad 2 NFC uses adhesive strips or screws. It is black and rectangular. The keypad is IP54-rated and weather-resistant. It measures five inches in length. The deadbolt is compact and invisible from the outside. The keypad is an exterior accessory. The deadbolt installs over your existing hardware. The keypad installs on the surface. The keypad offers weather resistance for outdoor use. The deadbolt is an interior unit only.
Choose the right Nuki lock for you
You want full lock automation and Matter support
The Retrofit Smart Deadbolt integrates Apple Home, Alexa, and Google Home. It supports Matter over Thread for reliable connectivity. Auto-unlock opens the door in under a second using Bluetooth or Wi-Fi. The compact round design mounts in under 15 minutes. You keep a physical key as backup. This unit handles all locking mechanics internally.
You prefer physical access methods like fingerprints
The Keypad 2 NFC supports fingerprints, NFC, and 6-digit codes. It stores up to 20 fingerprints and 200 entry codes locally. The IP54-rated black shell resists weather. It pairs with compatible Nuki locks for keyless entry. Battery life lasts 12 months. This option adds physical access layers to your existing smart lock setup.
You need Apple Home Key and Samsung access
This device enables Apple Home Key and Samsung Digital Home Key. You need a Matter hub for wallet features. It supports up to 35 Tap to Unlock keys. The keypad uses Bluetooth and Matter for communication. End-to-end encryption protects all data. This accessory enhances security without replacing your current deadbolt mechanism.
You want remote control and real-time status
The Retrofit Smart Deadbolt provides remote access via the Nuki app. You see real-time status updates from anywhere. Bank-level encryption secures the connection. The silver unit charges in 2 hours. It offers tamper alerts and monitoring. This all-in-one solution manages permissions and users directly through the integrated lock hardware.
The products compared
Nuki Retrofit Smart Deadbolt
Best for: renters needing non-invasive 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 is a round, silver interior retrofit that mounts over your existing deadbolt in under 15 minutes. It uses Bluetooth, Wi-Fi, and Matter over Thread for connectivity. You get auto-unlock, app control, and bank-level encryption. It supports Apple Home, Alexa, and Google Home. The battery charges in two hours and lasts for months. It is ideal for renters who need a non-invasive upgrade.
Pros
- Matter over Thread connectivity for future-proof integration
- Auto-unlock feature opens the door in under a second
- Interior retrofit installation requires no drilling
Cons
- No keypad or NFC access methods listed
- Requires a smartphone or smart home hub for operation
Good fit if
- You want to upgrade your deadbolt without drilling new holes
- You need auto-unlock functionality for hands-free entry
- You use Apple Home, Alexa, or Google Home
Skip if
- You prefer to enter a code to unlock the door
- You want to unlock the door with an NFC tap
- You need a lock with a built-in keypad
Verdict: NUKI Retrofit Smart Deadbolt suits renters who want a secure, app-controlled upgrade without modifying their door structure. It is best for those who rely on smartphones or smart home hubs for access.
Nuki Keypad 2 NFC (2026)
Best for: Nuki lock owners adding biometric access
- 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 adds keyless entry to your existing smart lock. It supports NFC, fingerprints, and 6-digit codes. You can manage up to 35 tap keys, 20 fingerprints, and 200 codes via the app. It connects via Bluetooth and Matter. The device is weather-resistant with IP54 rating. It runs on batteries for 12 months. This unit suits you if you want flexible access methods without wiring.
Pros
- Supports NFC, fingerprint, and 6-digit code entry
- Manages 35 tap keys, 20 fingerprints, and 200 codes
- Connects via Bluetooth and Matter
- IP54 weather-resistant rating
- 12-month battery life
Cons
- Requires a compatible Nuki Smart Lock to function
- Needs a Matter hub for wallet integration
- Requires an NFC-capable smartphone for keyless entry
Good fit if
- You already own a Nuki Smart Lock
- You want to add fingerprint or NFC access
- You need weather-resistant outdoor hardware
Skip if
- You do not have a Nuki Smart Lock
- You need a standalone lock without a hub
- You prefer a keypad with a built-in battery pack
Verdict: Nuki Keypad 2 NFC Smart Lock fits you if you need to upgrade an existing Nuki lock with fingerprint or NFC access. It does not work as a standalone deadbolt.
Specifications side by side
| Spec | Nuki Retrofit Smart Deadbolt | Nuki Keypad 2 NFC (2026) |
|---|---|---|
| Access Methods | App, auto-unlock, key | NFC, Fingerprint, 6-Digit Code |
| Connectivity | Bluetooth, Wi-Fi, Matter over Thread | Bluetooth, Matter |
| Smart Home Compatibility | Apple Home, Alexa, Google Home | Apple Home, Samsung Digital Home Key |
| Installation Type | Interior retrofit | Keypad accessory for Nuki Smart Lock |
| Fingerprint Capacity | not stated | 20 |
| User Code Capacity | not stated | 200 |
| Access Method | App Control | Keypad, Fingerprint, Key |
| Color | Silver | Black |
| Application | Home, Front Door | Home |
| Dimensions | 2.24 × 2.24 × 2.28 inches | 5 × 1 × 1 inches |
| Weight | not stated | 3.2 ounces |
| Size | Round | not stated |
| Model | 221146 | 221198 |
Frequently asked questions
Can I use the Nuki Keypad 2 NFC without a Nuki lock?
No. The Nuki Keypad 2 NFC is an accessory, not a standalone deadbolt. It requires an existing Nuki smart lock to function. You cannot install it on a door by itself. It adds fingerprint or NFC access to your current setup. It does not lock or unlock the door on its own.
Does the Nuki Retrofit Smart Deadbolt need professional installation?
No. This unit is designed for non-invasive mounting. It fits inside your existing deadbolt hole. You do not need to modify the door structure. This makes it ideal for renters. You can install it quickly without drilling new holes or changing the door frame.
Which lock supports Matter connectivity?
The Nuki Keypad 2 NFC supports Matter. It connects via Bluetooth and Matter protocols. The Retrofit Smart Deadbolt also supports Matter over Thread. Both devices allow integration with smart home hubs. You can control them through Apple Home, Alexa, or Google Home.
How do I unlock the Nuki Keypad 2 NFC?
You have three options. You can use the built-in keypad to enter a code. You can tap an NFC card or phone against the sensor. You can also use your fingerprint. It does not rely solely on your smartphone app for entry.
What are the dimensions of the Nuki Keypad 2 NFC?
The keypad measures 5 inches in length. Its width and height are each 1 inch. It weighs 3.2 ounces. The device is black. It mounts vertically on the interior side of your door. The slim profile fits standard door thicknesses.
Is the Nuki Retrofit Smart Deadbolt visible from outside?
No. The unit is round and mounts inside your home. It replaces the interior thumbturn of your deadbolt. The exterior keyhole remains unchanged. You can keep your existing exterior hardware. This preserves the look of your front door while adding smart features.