Smart Door Lock

Smart Door Lock Comparison

If you’re thinking about upgrading your home security, smart door locks make the apparent starting point. Also known as electronic door locks help provide convenience, some safety, and they're fun to use. Now, you can use term smart door locks and electronic door locks interchangeable, as we will do throughout this article.

We’ll lead off by making it clear that the core purpose of smart locks is making things easier for you and a bit safer to an extent. There are safety benefits like remote access to your property and doors automatically locking behind you, but smart locks are mainly about convenience.

Don’t underestimate what the convenience of a keyless lock can mean, though. Whether your hands are full of groceries or you frequently lose your keys, electronic locks allow you to enter your house without breaking your stride.

Smart Door Locks Comparison

Smart Door Lock Product

August Smart Lock Pro

August Smart Lock Pro

Nest x Yale Smart Door Lock

Nest x Yale Smart Door Lock

Ultraloq Bluetooth Fingerprint & Touch Screen

Nest x Yale Smart Door Lock


List Price: $319.99

Your Savings: $120.99

August Smart Lock

Nest x Yale Smart Door Lock

Friday Home Wireless Smart Door Lock

Friday Home Wireless Smart Door Lock
Coming soon Coming soon
Smart Home Score
Common Feedback Still having a robust finish it may not look as appealing as competitors, but it does the same job... More . While an appealing smart door lock, many users talk about the installation process. Some, not... More . It may not be the Nest Yale Smart Lock, but it sure is a breed of it's own. Ultraloq specializes... More . You can only have one lock connected to the August Connect at a time, so this lock... More . While having every core feature of a smart door lock, the Friday Lock is a different breed... More .
  • Remote Control
  • Voice Control
  • Z-Wave Plus Support
  • Auto Lock/Unlock
  • Sharing Access
  • Android Support
  • Apple Watch Support
  • Tab to Unlock (Nest Connect Required)
  • Keyless Deadbolt
  • Passcode Unlock
  • Alerts
  • Auto Lock/Unlock
  • Light Up at Night
  • Passcode Unlock
  • Finger Unlock
  • Knock on Phone to Unlock
  • Hidden Backup Key
  • Smartphone Unlock
  • Remote Control
  • Auto Lock/Unlock
  • Sharing Access/Temporary Access
  • Magnetic Sensor
  • Lock Timer
  • Apple HomeKit & Siri
  • Sharing Access
  • Temporary Access
  • Remote Control
Integrates With
  • Amazon Alexa
  • Google Home & Assistant
  • HomeKit & Siri
  • Google Home & Assistant
  • Smartphone
  • HomeKit & Siri
Installation Level Easy - works with existing cylinder deadbolt and installs within minutes Medium - might be difficult to install depending on the exsisiting door. Easy - works with existing cylinder deadbolt and installs within minutes Simple- attaches to existing deadbolt on only the inside of your door, takes under 10 minutes and you'll only need a screwdriver Installed using existing lock
  • Smarthome App
  • Desktop App
  • Smarthome App
  • Desktop App
  • Smarthome App
  • August App
  • Smartphone App
  • August App
  • Bluetooth Ready Smartphone
  • WiFi Connection
  • August App
  • Signle Cylinder Deadbolt Door
  • Nest Gurad or Nest Connect
  • WiFi Connection
  • The Nest App
  • Bluetooth Ready Smartphone
  • Requires 110 to 240V
  • Single Cylinder Deadbolt Lock
  • Deadbolt Capability
  • Screw Driver
  • Hacksaw to shorten the tailpiece if needed
Power 4 AA Batteries (included) 4 AA Batteries (included) 4.5V (3 x AA batteries included) 4 AA Batteries Rechargeable Battery
Warranty Smarthome 30 Day No Hassle Return Policy & 1 Year Limited Hardware Warranty Smarthome 30 Day No Hassle Return Policy & 2 Year Limited Warranty Smarthome 30 Day No Hassle Return Policy 1 year limited hardware warranty 2 years, world-wide, warranty
Dimension 3.4" x 2.22" x 3.4"
(H x W x L)
Outside: 2.59" x 4.59" x 0.80"
Inside: 2.78" x 7.03" x 2.02"
(W x L x D)
Front Panel: 3.5" x 6.3" x 7"
Back Panel: 3.3" x 6.3" x 7"
4.8" x 1.63" x 2.6" (H x W x L) 2.7" x 1.87"(W x H)
Available Colors
Smart Door Locks FAQs
  • What is a Smart Door Lock?
  • Deadbolt: To Upgrade or Replace
  • Do You Rent or Own Your Home?
  • Smart Door Lock Protocols: Bluetooth, WiFi or Z-Wave?
  • Interoperability: Communicating With Other Devices in Your Smart Home
  • How Do Different Electronic Locks Work?
  • What is the Battery Life of Electronic Locks?
  • Does The Smart Lock Fit Both Sides of The Door?
5 of the Best Smart Locks

1) Nest x Yale Lock

Nest X Yale Lock

Yale are a security stalwart and Nest need no introduction in the world of home automation. Now bundled back into parent company Google and rebranded as Google Nest, how does this Nest x Yale collaboration stand up today?

Choose from 3 colorways (bronze, brass and nickel) to match your lock with your entryway. The keyless deadbolt comes with the mounting hardware so you can get going straight out the box.

Once up and running, you’ll be able to access your door using the app on your phone. To unlock your door, you’ll need to punch in a code. To lock up, you’ll just need to tap your phone. For remote access, you will need the Nest Guard or Nest Connect bridge.

You’ll also enjoy reports sent to your cell phone keeping you alert to anyone entering or leaving your home. Stay fully aware of what’s going on even if you’re away from home.

Automatic locking means you won’t end up worrying about whether you locked up as you’re on the way to the airport.

You can also rest easy knowing the deadbolt itself is secure and tamper-proof. If anyone does try to mess around with the unit, you’ll get a notification whipped over to your phone. When the batteries begin running low, you’ll also be alerted in-app.

If you’re looking for a smart lock that’s easy to install, equally easy to use and built to give you years of faithful service, this Nest x Yale makes a wise choice. Make sure you factor the price of Nest Guard or Nest Connect into the equation when you’re budgeting and check out Nest x Yale today!

Key Benefits

  • Bringing together the best of Yale security and Nest smarts in one powerful package
  • Create passcodes to expire when you choose, ideal for Airbnb rentals
  • Streamline access to your home by eliminating keys from the equation

2) August Smart Lock

Nest X Yale Lock

The entry-level August Smart Lock comes in very keenly priced although for optimum functionality you should invest in the Connect WiFi bridge.

With the gateway in place, you’ll benefit from August’s proprietary DoorSense. What does this mean, though? Well, you’ll be able to check from a distance whether your door is open or locked. Your door will also lock automatically behind you saving you a job in the morning.

Since this smart lock slides over your existing deadbolt, you can keep your keys. We’re sure you won’t to be opening and closing your door the traditional way, though. Grant guests access codes and use your smart phone to open and close up yourself.

Stay informed about when your kids get home, too. You can monitor an activity feed in-app and you’ll also get alerts pinged to your phone when the door is unlocked. Finish up your afternoon with a clear conscience knowing your children are safe and sound.

You’ll enjoy Bluetooth and WiFi connectivity just like with Smart Lock Pro but you won’t get HomeKit compatibility and you won’t have Z-Wave Plus, either.

As with all retrofit smart locks, the August makes a nice solution for renters not in the position to start making structural changes.

If you’re looking to invest into August but you don’t have quite the budget for Smart Lock Pro, this base model still makes sense today. Add a layer of convenience and security to your connected home without digging too deep or sacrificing build quality.

Just like Smart Lock Pro, choose from a muted silver or dark gray to suit.

Key Benefits

  • Door will lock automatically behind you when you add in the Connect WiFi bridge
  • Live activity feed in-app lets you stay abreast from afar
  • Keep your lock and key as Smart Lock works with most existing hardware

3) August Smart Lock Pro and Connect

August Doorbell Cam Pro, Silver

August’s seminal smart lock comes with the Connect bridge in this iteration so you’ve got everything you need bundled.

Smart Lock Pro is pretty bulky and protrudes quite far. All you’ll need is a screwdriver to get started. Since this is a retrofit lock, you’ll still be free to use your keys making this ideal for households with children or elderly relatives perhaps not comfortable with smart tech. The fact you leave the existing hardware in place makes this a neat solution for renters.

We’re pretty sure you’ll be taking control in-app, though. The August app is easy to navigate and intuitive. It’s available on both iOS and Android as well as Apple Watch.

Your door will lock automatically when you leave and it’ll will also unlock when you come home, ideal if you’ve got your hands full of shopping. DoorSense keeps you alerted to the status of your door even if you’re not at home.

With both Bluetooth and WiFi connectivity, you’ll also be able to use Alexa, Google Assistant or Siri. All you’ll need is the requisite smart speaker or smart display then bark commands at your virtual butler.

If you need someone else to access your home when you’re not around, August makes this easy for you. Create and send access codes with ease in-app. You’ll be able to grant access for a given time period making this ideal for service staff or incoming guests if you rent your property on Airbnb.

August Smart Lock Pro comes in silver or dark gray and remains one of the finest smart locks in a crowded segment of the market.

Key Benefits

  • DoorSense keeps you alert if your door is unexpectedly unlocked
  • Use your favorite digital assistant for hands-free control
  • Works along with your existing single-cylinder deadbolt with installation taking literally minutes

4) Baldwin Hardware Soho Smart Lock

August Doorbell Cam Pro, Silver

Baldwin Hardware has been making locks since 1946 and they’ve moved with the times to embrace smart technology.

The first selling point of the Soho is the ease of installation. We appreciate not everyone wants to get involved with rewiring or calling an electrician. With the Soho, you won’t need to. With nothing but a screwdriver, you can install the deadbolt in minutes flat.

You won’t need a third-party home hub with this smart lock to enjoy remote access. You’ll be able to take charge at a distance in-app on your phone.

If you’re looking for broader integration with other smart devices, the Soho uses the Z-Wave protocol.

One area where the Soho is lacking concerns codes. You’ll only be able to store 2 codes which might be good for a small family, but larger households might find this restrictive. You’ll also be more limited if you want to create codes for dog walkers or babysitters since you only have a couple to play with.

You won’t find any problems entering the code in the dark since the keypad comes with a handy backlight. Punch in the code incorrectly more than twice and it will lock any potential intruder out.

You can program your deadbolt to lock automatically 30 seconds after unlocking. This is a small but valuable safety feature.

Remote access gives you the ability to check up on your kids and to make sure they’re home from school. You can arrange to receive a notification in-app when they get home and unlock the door.

Build quality is robust and you can choose from a range of finishes to match your décor.

Although the lock could use more code storage and enhanced functionality, the Baldwin Hardware Soho is a rugged and reliable smart lock that gets the job done with no frills. While it’s not particularly cheap, the entry system of your home is not an area to cut corners with.

Key Benefits

  • Z-Wave connectivity allows for great interoperability with other smart devices in your home
  • No rewiring required and you’ll be up and running in minutes
  • Incorrect passcode lockout is a nice security touch

5) Ultraloq UL3 Smart Lock

August Doorbell Cam Pro, Silver

The Ultraloq UL3 is a modern classic and remains our favorite smart lock in a crowded vertical. What makes it so good, then?

Perhaps the leading selling point here is the versatility this lock provides. You’ll be able to access your door in exactly the way that suits.

The Ultraloq allows you to enter by:

  • Fingerprint ID
  • Code entry on keypad
  • Knocking/shaking to open with cellphone
  • Physical key

The advanced and precise fingerprint recognition works brilliantly for children and elderly relatives. They won’t end up losing their keys and they won’t need to remember a code, either. Ultraloq can store 95 unique fingerprints. The reader is waterproof, dustproof and scratchproof guaranteeing reliable entry at all times.

You’ll also be able to store 95 codes of 4 to 8 digits. The anti-peep technology baked in is a nice touch. This enables you to type in your code anywhere nestled within a string of numbers. Any passerby would find it practically impossible to determine your code from a distance.

Ultraloq gives you around a year of battery life under normal conditions. You won’t ever be locked out either since you can always use your physical key to unlock the door even if the battery is dead and you failed to make provision for this. Since this lock uses Bluetooth Low Energy, it will keep on going even if the power goes out.

Using this lock is as simple as putting your hand near the keypad and it will activate.

That is, unless you’ve decided to take control in-app. If you’ve got an iPhone, knock the phone 4 times to open your lock even if you haven’t got the app open. If you’re an Android user, just shake your handset to open.

For breadth of entry options, build quality and a seamless user experience, Ultraloq UL3 is a rock-solid choice.

Key Benefits

  • Multiple methods of entry to suit large households with varying needs
  • Store 95 codes giving you fantastic flexibility
  • Hidden back-up key for your peace of mind
Final Word

If you’re at all reluctant to invest in a smart door lock due to safety concerns, don’t do it. You should be getting an upgrade in terms of security, so it’s no use if you’ll end up worrying about someone gaining entry. However, what might help you keep your peace of mind is knowing you can disable codes to ensure people you don’t want to come in, don’t.

If you need to let someone in when you're away from home regularly or you frequently arrive home with a baby in one hand, and shopping bags in the other, smart locks are a super-convenient way to make your life much more comfortable. You'll also enjoy the peace of mind of receiving alerts notifying you of any entries to your property triggering the tamper alarm. Make sure the kids are home from school and that they can get in even if they often used to lose their keys.

For the ultimate in convenience along with a handy additional layer of security, it might be time to treat yourself to a smart lock whether for your home or business. There's no right or wrong answer to getting a smart lock, but if you take the factors above into consideration, you should easily find one tailored to your specific needs.

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