Why Upgrade to a Smart Deadbolt Lock?
A smart deadbolt lock does everything a traditional deadbolt does, but with added control and convenience. Instead of fumbling for keys, you unlock your door with a phone app, a keypad code, a fingerprint, or a voice command. When you’re away, you can check whether the door is locked, get alerts when someone enters, and create temporary access codes for guests, cleaners, or dog walkers.
The practical benefits go beyond convenience. You’ll never get locked out because you forgot your keys. You can give a contractor a code that only works during business hours on a specific day. You get a log of who locked and unlocked the door and when. And if you left the house and can’t remember if you locked up, you check and fix it from your phone in seconds.
Smart deadbolts in 2026 have matured considerably. Battery life is better, connectivity is more reliable, and the Matter protocol means most new locks work with Apple Home, Google Home, and Amazon Alexa without needing extra hubs.
What to Look for in a Smart Deadbolt
Connectivity Options
Smart locks use different wireless protocols, and the one you choose affects how the lock communicates with your phone and smart home system.
Wi-Fi locks connect directly to your router, which means you can control them remotely without any extra hardware. The downside is higher battery drain. Bluetooth locks only work when your phone is nearby (within about 30 feet), unless paired with a Wi-Fi bridge. Z-Wave and Zigbee are low-power protocols that require a smart home hub but offer excellent battery life. Matter/Thread is the newest standard, combining low power consumption with direct smart home integration across platforms.
Power Source
Most smart deadbolts run on AA or CR123A batteries. Battery life varies from 3 months to a full year depending on the connectivity type and how often the lock is used. Wi-Fi locks drain batteries faster than Bluetooth or Thread locks. Some models offer backup power via a USB-C port or a physical key override, so you’re never completely locked out if the batteries die.
Entry Methods
The best smart deadbolts offer multiple ways to get in: app control, keypad codes, fingerprint reader, physical key backup, and voice commands through a smart speaker. Keypads are the most practical everyday option because they don’t require your phone. Fingerprint readers are fast and don’t require remembering codes. Physical key backup is a safety net you’ll rarely use but will be glad to have.
Voice Assistant Support
Check that the lock works with your voice assistant. Amazon Alexa and Google Home support is nearly universal. Apple HomeKit support is less common but growing, especially with Matter adoption. If you use Apple Home Key (tap to unlock with iPhone or Apple Watch), your choices are currently limited to a few models from Schlage, Yale, and Level.
Installation
Most smart deadbolts fit standard door prep (2-1/8 inch bore hole, standard backset). Installation usually takes 15 to 30 minutes with a screwdriver. You remove your existing deadbolt, mount the new one in its place, and pair it with the app. If your door has a non-standard setup, check the manufacturer’s compatibility guide before ordering.
Best Deadbolt Smart Locks for 2026
Best Overall: Schlage Encode Plus
The Schlage Encode Plus is the best all-around smart deadbolt you can buy in 2026. It supports Apple Home Key (tap your iPhone or Apple Watch to unlock), works with Amazon Alexa and Google Home, and connects over Wi-Fi so there’s no hub required. The touchscreen keypad is responsive and allows up to 100 access codes. Build quality is outstanding, which is typical of Schlage. The ANSI Grade 1 rating means this lock meets the highest residential security standard.
Battery life is about 6 months on four AA batteries, which is typical for a Wi-Fi lock. The Schlage Home app handles setup, code management, and access history. The lock is available in several finishes including Matte Black, Satin Nickel, and Aged Bronze, so it should match most door hardware.
At around $300, the Encode Plus is not cheap. But for Apple users especially, the Home Key support makes it the clear pick. Even without Apple devices, the Wi-Fi connectivity, strong build, and easy setup earn it the top spot.
Best Value: August Wi-Fi Smart Lock (4th Gen)
The August Wi-Fi Smart Lock is one of the smallest smart locks on the market. It fits over your existing deadbolt on the inside of the door, so the outside still looks like a normal lock with your original key. This makes it a great option for renters who can’t replace the exterior hardware.
It connects over Wi-Fi for remote access and works with Alexa, Google Home, and Apple HomeKit. The auto-lock and auto-unlock features use your phone’s location to lock the door when you leave and unlock it as you approach. DoorSense, a magnetic sensor included in the box, tells you whether the door is open or closed, not just whether the bolt is extended.
At $180 to $230, the August offers most of the features of the Schlage Encode Plus at a lower price, minus the keypad and Apple Home Key. If you want a smart lock that doesn’t change how your door looks from the outside, this is the one to get.
Best with Fingerprint Reader: Yale Assure Lock 2
The Yale Assure Lock 2 is a full deadbolt replacement with a sleek touchscreen keypad and an optional fingerprint reader module. The fingerprint unlock is fast and reliable, reading your print and opening the door in under a second. It stores up to 25 fingerprints and 250 pin codes.
Yale offers the Assure Lock 2 with different radio modules, so you can choose Wi-Fi, Bluetooth, or Matter/Thread depending on your smart home setup. The Matter version works with Apple Home, Google Home, and Alexa without needing Yale’s own hub. The lock carries a BHMA Grade 2 rating, which is solid for residential use.
At $220 to $280 depending on configuration, the Yale Assure Lock 2 sits in the middle of the price range but packs more entry methods than most competitors. The fingerprint reader alone justifies the price if you’re tired of typing codes.
Most Discreet: Level Lock+
The Level Lock+ is designed to be invisible. It replaces the interior deadbolt mechanism but keeps your existing exterior hardware completely untouched. There’s no keypad, no visible electronics, and no indication from outside that you have a smart lock. You unlock it with the Level app, Apple Home Key (tap your iPhone or Apple Watch), or your existing physical key.
The trade-off for that clean look is fewer features. There’s no keypad for pin codes, no fingerprint reader, and no built-in Wi-Fi, so remote access requires the Level Connect Wi-Fi Bridge (sold separately). Battery life is excellent at about a year on a single CR2 battery because of the low-power Bluetooth connection.
At $330 for the lock alone (plus $80 for the Wi-Fi bridge if you want remote access), the Level Lock+ is the most expensive option on this list. But for homeowners who refuse to compromise on how their front door looks, nothing else compares.
Best Budget: Kwikset Halo Touchscreen
The Kwikset Halo Touchscreen brings Wi-Fi smart lock features at a more accessible price point. It connects directly to your Wi-Fi network, works with Alexa and Google Home, and has a backlit touchscreen keypad that supports up to 250 user codes. Kwikset’s SmartKey technology lets you re-key the lock yourself if you ever need to change the physical key.
Build quality is good for the price, with a BHMA Grade 2 rating. The Kwikset app handles setup and code management, and you can check lock status and access history remotely. Battery life runs about 6 to 9 months on four AA batteries.
At $170 to $220, the Halo Touchscreen is the least expensive Wi-Fi smart deadbolt that doesn’t cut corners on basic features. It lacks Apple HomeKit support and doesn’t have a fingerprint reader, but for Android and Alexa households on a budget, it’s a strong pick.
Smart Deadbolt Comparison
| Lock | Best For | Connectivity | Keypad | Fingerprint | Price |
|---|---|---|---|---|---|
| Schlage Encode Plus | Overall | Wi-Fi | Yes | No | $280 to $330 |
| August Wi-Fi (4th Gen) | Retrofit / Renters | Wi-Fi | Optional add-on | No | $180 to $230 |
| Yale Assure Lock 2 | Fingerprint entry | Wi-Fi / Matter / BT | Yes | Yes | $220 to $280 |
| Level Lock+ | Invisible design | Bluetooth | No | No | $330+ |
| Kwikset Halo | Budget | Wi-Fi | Yes | No | $170 to $220 |
Frequently Asked Questions
Can a Smart Lock Be Hacked?
Smart locks use encrypted communication, and hacking one remotely is significantly harder than picking a traditional lock. The most common vulnerability is a weak account password, not the lock itself. Use a strong, unique password for your lock’s app account and enable two-factor authentication if available. Physical security matters too. A smart lock with an ANSI/BHMA Grade 1 or 2 rating is just as resistant to forced entry as a traditional deadbolt.
What Happens if the Battery Dies?
Every smart deadbolt on this list has a backup entry method. Most accept a physical key, and several have a USB-C or 9V battery terminal on the exterior that provides enough temporary power to unlock the door. The lock’s app typically sends low-battery warnings weeks before the batteries actually die, so running out of power by surprise is unlikely if you pay attention to notifications.
Do Smart Locks Work with Existing Doors?
Most smart deadbolts fit standard US door preparations (2-1/8 inch bore hole, 1 inch backset or adjustable). If your current deadbolt is a standard size from brands like Schlage, Kwikset, or Yale, a smart lock will almost certainly fit. Non-standard doors, like those with euro-profile cylinders or unusual dimensions, may need different hardware. Check the manufacturer’s compatibility tool before buying.
Do I Need a Hub for a Smart Lock?
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Not necessarily. Wi-Fi locks connect directly to your router. Bluetooth locks connect to your phone and can reach the internet through a Wi-Fi bridge. Matter/Thread locks work with any Matter controller, including Amazon Echo (4th gen and newer), Apple HomePod, and Google Nest speakers. Z-Wave and Zigbee locks do need a dedicated hub like Samsung SmartThings or Hubitat.