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The Best Smart Locks for 2026

Forget keys. The top smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when.

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Updated   September 30, 2026
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Designed to enhance the convenience and security of your entryway, a smart lock is arguably the most crucial component of a connected home. There's no shortage of options, from fully installed models that replace your deadbolt to renter-friendly retrofit solutions. Here at PCMag, we've been testing smart locks for more than a decade, installing them in our homes to evaluate ease of use, fingerprint scanner accuracy, touchpad responsiveness, and features such as voice controls, access schedules, auto-lock options, and geofencing. Our mission is to provide you with all the information you need to decide which one to buy. With an outstanding 4.5-star rating and an Editors' Choice award, the Ultraloq Bolt Fingerprint is the best smart lock overall, thanks to its reliability and versatility. But if it isn't the right fit for your home, we offer a range of excellent alternatives that have earned our stamp of approval through rigorous, firsthand testing.

Our Top Tested Picks

$169.99 at Amazon
$199.99 Save $30.00
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Bottom Line

Editors' Choice
4.5
Outstanding

The Ultraloq Bolt Fingerprint is one of the most versatile smart locks we've tested, offering numerous ways to lock and unlock your door and third-party support across multiple platforms.

Pros

  • Multiple ways to lock and unlock your door
  • Works with Alexa, Google, and HomeKit
  • Lots of third-party integrations
  • Built-in Wi-Fi
  • Good battery life
  • Easy to install

Cons

  • Expensive
  • Doesn't support Matter
$349.00 at The Home Depot
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Bottom Line

Editors' Choice
4.5
Outstanding

The Lockly Visage Zeno Series offers multiple ways to lock and unlock your door, including Apple Home Keys, fingerprint scanning, voice commands, and, most uniquely, facial recognition.

Pros

  • Integrated facial recognition
  • Access via fingerprint scan and keypad
  • Works with Apple HomeKit and Home Keys
  • Supports Alexa, Google, and Siri voice control
  • Easy to install

Cons

  • Pricey
  • Doesn't support IFTTT
Best Retrofit Smart Lock
Best Retrofit Smart Lock

August Wi-Fi Smart Lock

$114.99 at Amazon
$129.00 Save $14.01
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Bottom Line

Editors' Choice
4.5
Outstanding

The sleek August Wi-Fi Smart Lock is easy to install and packs a ton of features into its compact frame.

Pros

  • Works with Alexa, Google, HomeKit, IFTTT, and more
  • Automatic Lock and Unlock
  • Easy to install
  • Streamlined design

Cons

  • Pricey
  • Short battery life
Eufy FamiLock S3 Max product shots
Best Digital Peephole Lock

Eufy FamiLock S3 Max

$329.99 at Amazon
$399.99 Save $70.00
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Bottom Line

Editors' Choice
4.0
Excellent

The Eufy FamiLock S3 Max is a Matter-enabled smart lock that doubles as a 2K video doorbell and includes palm scanning, voice control support, and an innovative interior screen that lets you view the camera feed from inside your home.

Pros

  • Multifunction lock and video doorbell
  • Interior video screen
  • Palm recognition
  • Supports Matter
  • Intelligent alerts
  • Dual battery power
  • Local video storage

Cons

  • Expensive
  • Doesn't support IFTTT
Lockin Veno Pro Palm Vein Recognition Video Smart Lock review
Best Lock and Video Doorbell Combination

Lockin Veno Pro Palm Vein Recognition Video Smart Lock

$259.99 at Amazon
$294.99 Save $35.00
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Bottom Line

Editors' Choice
4.0
Excellent

The Lockin Veno Pro is a versatile smart lock that supports palm and fingerprint scanning and doubles as a 2K video doorbell.

Pros

  • Palm and fingerprint scanners
  • Built-in camera and doorbell
  • Free local video storage
  • Supports Matter and Thread
  • Works with multiple home automation platforms
  • Optional solar power (panel costs extra)

Cons

  • Expensive
  • Doesn't support IFTTT
Aqara Smart Lock U400
Most Future-Proof Smart Lock

Aqara Smart Lock U400

$269.99 at Amazon
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Bottom Line

4.0
Excellent

The Aqara Smart Lock U400 offers multiple ways to unlock your door and uses the latest technology to connect to most home automation platforms, but you’ll need a Thread-enabled Matter controller to do so.

Pros

  • Multiple unlocking methods
  • UWB compatible
  • Supports Matter over Thread
  • Wide platform compatibility
  • Works with Apple HomeKey

Cons

  • Lacks Wi-Fi
  • Requires a Thread-enabled Matter controller
  • NFC cards not included
Desloc D110 Plus
Best Enhanced Security Features

Desloc Smart Lock D110 Plus

$58.99 at Amazon
$89.99 Save $31.00
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Bottom Line

4.0
Excellent

The Desloc D110 Plus is a reasonably priced smart lock that offers multiple ways to lock and unlock your door, including app and voice controls, a fingerprint scanner, a keypad, and a traditional keyway.

Pros

  • Multiple unlocking methods
  • Onboard status screen
  • Supports voice control

Cons

  • Doesn't support HomeKit or IFTTT
  • Batteries not included
$204.00 at Amazon
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Bottom Line

4.0
Excellent

The Kwikset Halo Touch Smart Lock lets you lock and unlock your door with your phone, voice, keys, and fingerprint.

Pros

  • Multiple ways to lock and unlock, including fingerprint scanner
  • Built-in Wi-Fi
  • Supports Alexa and Google voice commands
  • Easy installation
  • Stylish design

Cons

  • Pricey
  • Doesn't support HomeKit or IFTTT
  • Limited third-party integrations
Most Versatile Lock System
Most Affordable HomeKit Lock

Yale Assure Lock 2

$159.94 at Amazon
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Bottom Line

4.0
Excellent

The Yale Assure Lock 2 is a style-minded smart lock that makes it easy to go keyless and manage access to your front door while offering interoperability with many popular third-party smart home platforms.

Pros

  • Sleek design
  • Keyed, keyless, physical button, and touch-screen options
  • Bluetooth and HomeKit support
  • Well-designed companion app
  • Works with Apple Watch
  • Wi-Fi models work with Amazon Alexa, Google Assistant

Cons

  • Poor battery life on Wi-Fi model
  • Short low-battery warning lead time
  • Iffy Auto-Unlock performance over Wi-Fi
  • DoorSense device may require drilling

Best Early Prime Day Smart Lock Deals This Week*

*Deals are selected by our commerce team
Deeper Dive: Our Top Tested Picks

EDITORS' NOTE

September 30, 2026: With this update, our lineup of recommended smart locks remains unchanged. Our existing picks have been vetted for currency and availability. Since we last updated this story, we have also refreshed our recommendations of the best outdoor home security cameras.

Best Overall

Ultraloq Bolt Fingerprint

4.5 Outstanding
  • Multiple ways to lock and unlock your door
  • Works with Alexa, Google, and HomeKit
  • Lots of third-party integrations
  • Built-in Wi-Fi
  • Good battery life
  • Easy to install
  • Expensive
  • Doesn't support Matter

Sturdy construction, ease of use, and multiple lock and unlock options make the Ultraloq Bolt Fingerprint our top pick. Its zinc alloy exterior component contains a biometric fingerprint scanner, a keypad, and a traditional keyway. With a built-in Wi-Fi radio and support for nearly every smart home platform, you can lock and unlock it from anywhere using your phone or voice. It also features a sensor that indicates whether your door is open or closed. 

Hub-averse smart home users: Because it has built-in Wi-Fi, the Ultraloq doesn't require a hub, but can still be controlled remotely from anywhere your phone has an internet connection. Although it does not support Matter, it works with all major home automation platforms, including Apple HomeKit, Amazon Alexa, Google Home, and Samsung SmartThings. It also works with IFTTT applets, allowing it to integrate with numerous third-party devices.

Connectivity Wi-Fi, Bluetooth
Integrations Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT, Samsung SmartThings
Installation Exterior Escutcheon, Interior Escutcheon
App Mobile
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation
GET IT NOW

Best for Facial Recognition

Lockly Visage Zeno Series Facial Recognition Deadbolt

4.5 Outstanding
  • Integrated facial recognition
  • Access via fingerprint scan and keypad
  • Works with Apple HomeKit and Home Keys
  • Supports Alexa, Google, and Siri voice control
  • Easy to install
  • Pricey
  • Doesn't support IFTTT

The Lockly Visage Zeno Series is the first smart lock we’ve tested that supports facial recognition. Using two infrared cameras, it scans your face when you approach, offering a completely hands-free way to unlock your door. Additionally, it supports various other authentication methods, including Apple HomeKey, fingerprint scanning, and voice commands via Alexa, Google, and Siri. In our testing, facial recognition performed flawlessly under both dark and bright lighting conditions, and fingerprint scans, touchpad entries, and voice commands were processed immediately.

Facial recognition fans: The Lockly Visage Zeno Series offers more ways to lock and unlock your door than any other smart lock we’ve tested—including facial recognition—and works with most major smart home platforms for voice control and third-party device integrations.

iPhone and Apple Watch users: Apple fans will appreciate this lock's integrated Home Key sensor, which allows you to unlock the door by tapping an iPhone or Apple Watch.

Connectivity Wi-Fi, Bluetooth
Integrations Apple HomeKit, Google Assistant, Amazon Alexa
Installation Exterior Escutcheon, Interior Escutcheon
App Mobile
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation

Best Retrofit Smart Lock

August Wi-Fi Smart Lock

4.5 Outstanding
  • Works with Alexa, Google, HomeKit, IFTTT, and more
  • Automatic Lock and Unlock
  • Easy to install
  • Streamlined design
  • Pricey
  • Short battery life

August has released several outstanding smart locks over the years, but the Wi-Fi Smart Lock is the first one that has a built-in Wi-Fi radio. This retrofit solution replaces just your existing interior thumb turn mechanism and uses the rest of your existing lock hardware, including the keys. It's stylish, easy to install, and performed well in testing. Its $249 price might seem high, but you get plenty of features, including a sensor that lets you know the door's status, auto-lock and auto-unlock options, and multi-platform support.

Renters: As a retrofit lock that works with your existing deadbolt, the August Wi-Fi Smart Lock is a top renter-friendly option.

Automation enthusiasts: This lock's broad support for third-party devices makes it an excellent addition to any smart home. It works with Alexa and Google voice commands and is a great fit for homes that use Apple HomeKit or other automation platforms from Honeywell, Logitech, SimpliSafe, or Samsung. Additionally, IFTTT support enables it to interact with numerous other smart devices. 

Connectivity Bluetooth, Wi-Fi
Integrations Apple HomeKit, Amazon Alexa, Google Assistant, IFTTT
Installation Interior Escutcheon
App Mobile
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation

Best Digital Peephole Lock

Eufy FamiLock S3 Max

4.0 Excellent
  • Multifunction lock and video doorbell
  • Interior video screen
  • Palm recognition
  • Supports Matter
  • Intelligent alerts
  • Dual battery power
  • Local video storage
  • Expensive
  • Doesn't support IFTTT

The Eufy FamiLock S3 Max is a feature-rich smart lock that also serves as a 2K video doorbell. It allows you to unlock your door using a palm scanner, a touch-screen keypad, a mobile app, voice control, and traditional keys. The camera captures motion and doorbell events, and provides free internal video storage and intelligent alerts. It also features an interior display that functions like a digital peephole, allowing you to see what’s going on outside without opening the door.

Commitment-phobic users: This is a top pick if you want to monitor your front porch without paying cloud storage fees for recorded video or intelligent motion alerts. It features 15.5GB of internal eMMC flash memory for storing event-triggered video, and if that isn’t enough, you can connect it to an Eufy HomeBase 3, which supports up to 16TB of storage.

Maintenance avoiders: Thanks to an innovative battery backup system, the Eufy FamiLock S3 Max can go about six months between charges. It's powered by a rechargeable 15,000mAh lithium-ion battery pack rated to last up to five months, and it also holds four AA backup batteries as a backup that will power the lock for another month.

Connectivity Wi-Fi, Bluetooth
Integrations Amazon Alexa, Apple HomeKit, Google Assistant
Installation Exterior Escutcheon, Interior Escutcheon
App Mobile
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation

Best Lock and Video Doorbell Combination

Lockin Veno Pro Palm Vein Recognition Video Smart Lock

4.0 Excellent
  • Palm and fingerprint scanners
  • Built-in camera and doorbell
  • Free local video storage
  • Supports Matter and Thread
  • Works with multiple home automation platforms
  • Optional solar power (panel costs extra)
  • Expensive
  • Doesn't support IFTTT

The Lockin Veno Pro makes this list thanks to its versatility. As a lock, it works with every major smart home platform, including Alexa, Apple Home, Google Home, Matter, and SmartThings. You can unlock it with an app, your voice, a key, or a keypad. Beyond the basics, the Veno Pro supports palm and fingerprint scanning for additional means of entry. It's also more than just a lock. It doubles as a video doorbell with 2K resolution, free alerts, and free onboard video storage.

Solar-charging enthusiasts: The Veno Pro's lithium-ion battery pack provides up to three months of power before requiring a charge. To further extend your battery life, you can get it bundled with a solar panel.

Connectivity Wi-Fi
Integrations Amazon Alexa, Apple HomeKit, Google Assistant, Samsung SmartThings
Installation Exterior Escutcheon, Interior Escutcheon
App Mobile
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation
GET IT NOW

Most Future-Proof Smart Lock

Aqara Smart Lock U400

4.0 Excellent
  • Multiple unlocking methods
  • UWB compatible
  • Supports Matter over Thread
  • Wide platform compatibility
  • Works with Apple HomeKey
  • Lacks Wi-Fi
  • Requires a Thread-enabled Matter controller
  • NFC cards not included

The Aqara Smart Lock U400 supports the Aliro standard, which lets you unlock your door with a tap of your phone as it verifies your digital wallet credentials. It also has ultra-wideband (UWB) technology for precise location tracking when automatically unlocking your door. And thanks to Matter support, it works with all major smart home platforms.

Early adopters: If you want to be among the first to try out the new Aliro standard, the U400 has it, letting you unlock your door with the same ease of tapping to pay for your morning coffee. UWB is relatively new in smart locks and offers much more precise location tracking than GPS-based geofencing.

Multi-platform families: If you have an Android phone and your spouse has an iPhone, the U400 makes it easy to set up access across platforms thanks to Aliro and Matter.

Connectivity Bluetooth, Wi-Fi
Integrations Matter
Installation Exterior Escutcheon, Interior Escutcheon
App Mobile
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation

Best Enhanced Security Features

Desloc Smart Lock D110 Plus

4.0 Excellent
  • Multiple unlocking methods
  • Onboard status screen
  • Supports voice control
  • Doesn't support HomeKit or IFTTT
  • Batteries not included

The versatile Desloc D110 Plus unlocks with a touch of your finger, a tap of a button in the app, a code on the keypad, a tap of an IC Card, or a traditional key. It's easy to install, works reliably, and is interoperable with your larger smart home through Alexa and Google integrations, allowing you to control your lock with voice commands. It also offers a few unique extras, such as an anti-peeping passcode feature that lets you enter random digits when punching in your code, and an anti-hijacking feature that sends an alert to set contacts if you enter a specific code or unlock your door with a certain finger.

Extra-cautious users: If you're the type to go the extra mile to protect all your passwords, the Desloc D110 Plus gives you that option with its anti-peeping passcode feature. By entering fake digits before you put in the real code, you'll make it much harder for those nearby to discern the real digits. Both the anti-peeping and anti-hijacking features add extra peace of mind if you're worried about people in your neighborhood or just want to take more precautions.

Connectivity Bluetooth, Wi-Fi
Integrations Amazon Alexa, Google Assistant
Installation Exterior Escutcheon, Interior Escutcheon
App Mobile
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation
GET IT NOW

Most Stylish Design

Kwikset Halo Touch Fingerprint Smart Lock

4.0 Excellent
  • Multiple ways to lock and unlock, including fingerprint scanner
  • Built-in Wi-Fi
  • Supports Alexa and Google voice commands
  • Easy installation
  • Stylish design
  • Pricey
  • Doesn't support HomeKit or IFTTT
  • Limited third-party integrations

The Kwikset Halo Touch is a smart and stylish lock that's easy to install and offers whisper-quiet operation. It lets you lock and unlock your door with your phone, Alexa or Google Assistant voice commands, a fingerprint, or a set of traditional keys. It responded instantly to all lock and unlock requests in testing, and always adhered to access schedules.

Style-minded homeowners: If you're in the market for an attractive smart lock that supports fingerprint scanning, the Kwikset Halo Touch is an excellent choice. It has a timeless design, and doesn't appear to be a smart lock at first glance. Even its fingerprint scanner is subtle and understated, and it doesn't have a pinpad or other telltale signs to indicate its capabilities.

Connectivity Bluetooth, Wi-Fi
Integrations Amazon Alexa, Google Assistant
Installation Exterior Escutcheon, Interior Escutcheon
App Mobile
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation
GET IT NOW

Most Affordable HomeKit Lock

Yale Assure Lock 2

4.0 Excellent
  • Sleek design
  • Keyed, keyless, physical button, and touch-screen options
  • Bluetooth and HomeKit support
  • Well-designed companion app
  • Works with Apple Watch
  • Wi-Fi models work with Amazon Alexa, Google Assistant
  • Poor battery life on Wi-Fi model
  • Short low-battery warning lead time
  • Iffy Auto-Unlock performance over Wi-Fi
  • DoorSense device may require drilling

The sleek and customizable Yale Assure Lock 2 is available in Bluetooth or Wi-Fi variants. Both models support HomeKit, and the Wi-Fi variant works with Amazon Alexa and Google Assistant. The base model includes a physical keypad, but you can upgrade to a touch screen if you prefer. Physical keys and a companion app are additional unlock methods, whichever way you go.

Customization fans: If you have specific needs or strong preferences, Yale's lock system gives you the freedom to choose which features you want. All models work with the Yale Access app (available for Android, iOS, and watchOS) via Bluetooth and support Apple HomeKit. You can choose from keypad or touch-screen designs with or without a traditional key slot, and add Wi-Fi or Z-Wave connectivity.

Budget-minded Apple users: HomeKit support is a relative rarity in the smart lock segment, especially at this price, and there's something magical about being able to unlock your door with your Apple Watch.

Airbnb hosts: If you host Airbnb guests, you can link the app with your Yale Access account to offer a seamless check-in experience with little effort on your part. Doing so automates the access management process, so your guest will get a unique door code that expires at checkout.

Connectivity Bluetooth, Wi-Fi, Z-Wave, RF Radio
Integrations Amazon Alexa, Apple HomeKit, Google Assistant
Installation Exterior Escutcheon, Interior Escutcheon
App Mobile
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation

The Best Smart Locks for 2026 Compare Specs

Your Selections
Rating
Best For
Connectivity
Integrations
Installation
App
Geofencing/Location Services
Guest Access
Tamper Alarm
Touchpad
Voice Activation
Buying Guide: The Best Smart Locks for 2026

What Is a Smart Lock?

A smart lock enables you to easily lock and unlock your door using various methods, including a keypad, a PIN code, a mobile app, and/or a fingerprint scanner. For added security, a smart lock also monitors who enters and leaves your house when you're away. While some models simply let you use your phone to open and close doors, others let you assign special access privileges to friends, family members, or staff. The most advanced options work with voice commands and support third-party smart home devices and services.


What to Look for When Buying a Smart Lock

One of the first things to consider is the cost of upgrading your traditional lock. After all, a smart lock costs a lot more than the standard-issue lock you can pick up at the local hardware store. Some smart locks cost around $100, but if you want a lock with integrated Wi-Fi and support for voice commands, push and email notifications, and tamper alarms, expect to pay upward of $200 or more.

Many smart locks pair with a mobile app that lets you lock and unlock doors with a simple tap. Some offer web access, allowing you to control your lock from your PC. Most apps allow you to add permanent and temporary users and set access schedules for specific days and times. Ensure your smart lock records activity logs so you can review past entries and see who accessed your home and when.

August Wi-Fi Smart Lock
August Wi-Fi Smart Lock (Credit: August)

If the lock is Bluetooth-enabled, you must be within range (approximately 30 feet) to control it. However, locks with built-in Wi-Fi radios or that use a Wi-Fi bridge allow you to connect from almost anywhere once they are set up with your router. Voice commands via the companion app also make smart locks much more convenient; for example, you can simply tell your phone to "unlock the front door" to disengage the lock.

The latest smart locks offer features such as facial or palm recognition and geofencing for proximity-based automatic locking. With facial or palm recognition, your body is essentially the key to unlocking the door.

Geofencing features ensure you never have to worry about whether you locked up after leaving the house; simply use the mobile app to set up a perimeter around your home and keep your phone's location services active. When you leave the perimeter, you can set the lock to engage automatically behind you. Similarly, with time-based auto-locking, you can configure the lock to automatically engage after a specified period if it remains unlocked.

Other features to look for include a touchpad for when you don't have your phone or keys, tamper and forced-entry alarms that warn you of a potential break-in, and push, text, and email notifications that inform you in real time when someone enters or leaves.


Are Smart Locks Actually Secure?

Smart locks are generally considered safe to use, but, like any internet-connected device, they also come with certain risks. Theoretically, anything connected to the internet could potentially be vulnerable to hackers, and smart locks are no exception, but there are measures you can take to enjoy the convenience of these devices while minimizing your risks.

Start by securing your Wi-Fi network with a strong password to prevent hackers from accessing it and targeting your smart home devices. Moreover, always ensure you apply any recommended firmware updates for your devices, as running older versions can leave them vulnerable to hackers seeking to exploit unpatched flaws. Enabling multi-factor authentication (MFA) on supported services is another recommended best practice.


What Happens to a Smart Lock When the Power or Wi-Fi Goes Out?

Nearly all smart locks are battery-powered rather than hardwired, so they will continue to work during a power outage. Some but not all smart locks feature an emergency battery terminal or a USB port to power them from the outside if the battery dies.

Wi-Fi outages should not result in a lockout, as most Wi-Fi-enabled smart locks also feature Bluetooth connectivity, enabling local app control as a backup. In the event of a Wi-Fi outage, you can still utilize a lock's keypad and/or fingerprint scanner, if available, to gain entry. For added peace of mind, consider a smart lock with a physical key slot and keep the key on you or hidden near your entryway to prevent lockouts.


Which Smart Lock Brand Is the Best?

Based on our current review ratings, Ultraloq, Lockly, and August are the top three smart lock brands. We have also given excellent scores to smart locks from Aqara, Desloc, Eufy, Igloohome, Lockin, Kwikset, Proscenic, and Yale.

That said, we won't necessarily recommend that you shop for a smart lock solely based on the brand. Most manufacturers offer a range of models with varying features, pricing, and performance levels. Just because a certain brand makes one highly rated model doesn't mean all of their smart locks are good. For instance, the Proscenic L60 smart lock earned an excellent rating in our review, whereas the L40 received a much lower rating because we found it difficult to install.


How to Install a Smart Lock

None of the locks we tested is especially difficult to install, but some are easier to set up than others. Some are even viable for renters.

If your new lock comes with both an interior escutcheon (the housing you mount on the inside of your door) and an exterior component (usually a touchpad or a keyed cylinder), you probably need to completely remove your old lock (including the deadbolt mechanism and strike plate) before you can install the new device. This is simply a matter of removing the two bolts that attach the interior escutcheon to the exterior component and removing both pieces. Two screws also secure the deadbolt in place.

The good news is that most smart locks are compatible with standard pre-drilled holes, so you rarely have to drill new ones. Additionally, some smart locks, such as the August Wi-Fi Smart Lock, simply attach to the inside of your door and utilize your existing keyed cylinder and deadbolt hardware; with these locks, you only need to remove the interior escutcheon. Either way, estimate 10 to 25 minutes to remove your old lock and install the new one.


Can Alexa Control Door Locks?

Some locks integrate with other connected home devices, such as smoke alarms, and services, such as Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT, and Matter. IFTTT lets you, for example, configure your doors to unlock when a smoke or carbon monoxide alarm goes off, or set your smart lights to turn on when someone unlocks the door.

Depending on your home automation setup, you can even pair your lock with a video doorbell, allowing you to see who is at the door before unlocking it. You might also configure an indoor security camera to begin recording when someone unlocks the door.

For more on smart home safety, see our picks for the best smart home security systems and outdoor home security cameras, as well as our tips for building a DIY home security system.

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