Best Smart Door Locks 2026: Keypad, Deadbolt & Auto-Lock
The ULTRALOQ Bolt is the best smart door lock for most homeowners — it replaces both your deadbolt and door handle with fingerprint, keypad, and app control, built-in Wi-Fi, and the cleanest integrated design of any lock here. Renters should look at the August Wi-Fi Smart Deadbolt, which mounts over your existing interior hardware. For Grade 1 security certification (the highest), the Schlage Encode is what commercial locksmiths recommend.
Smart Door Locks Buying Guide
Photo by Vladimir Srajber / PexelsSmart door locks seem simple — replace your deadbolt, add an app — but there are real differences in security, reliability, and compatibility that affect whether you'll actually trust the lock on your front door.
The American National Standards Institute rates residential door hardware on a 3-grade scale:
Grade 1 (highest): Required for commercial buildings. Withstands 250,000+ cycles, kick-in resistance of 450 lbs+, and pick/drill resistance. Schlage, Medeco, and a few others.
Grade 2: Standard residential quality. Most smart locks from August, Yale, Kwikset are Grade 2. Fine for most homes.
Grade 3 (lowest): Light duty — apartment buildings and interior doors. Not appropriate for exterior front doors.
If security is a primary concern, pay attention to whether a lock lists ANSI Grade 1 certification. Most consumer smart locks are Grade 2.
Connectivity: Wi-Fi vs. Z-Wave vs. Zigbee vs. Bluetooth
Wi-Fi built-in — no hub required, remote access from anywhere. The most convenient option. Drawback: Wi-Fi radios use more power, slightly reducing battery life. Bluetooth only — works without Wi-Fi, but only from within Bluetooth range (about 30 feet). No remote access from across town. Requires your phone or a hub for remote access. Z-Wave or Zigbee — require a compatible smart home hub (SmartThings, Hubitat, etc.). More reliable than Wi-Fi for frequent on/off events, but more setup complexity. For most users in 2026, built-in Wi-Fi is the right choice — no hub, remote access, and simple setup. The locks listed here all have built-in Wi-Fi.
Smart deadbolts replace your existing deadbolt. Most fit standard 2-1/8" door bore holes (the large circular hole). The installation is straightforward for anyone comfortable with a screwdriver:
1. Remove existing deadbolt (usually 2-3 screws) 2. Install new strike plate if needed 3. Mount exterior assembly through door bore 4. Mount interior assembly and connect the two halves 5. Test mechanical operation before installing batteries 6. Install batteries and connect to app
The August Smart Deadbolt is an exception — it replaces only the interior thumb turn, not the full deadbolt. Much easier installation for renters or anyone who doesn't want to change exterior hardware.
4 x AA batteries (most locks): 6-12 months at normal use (10-20 entries/day). Built-in lithium battery (DESLOC K120): 6-8 months on a full charge. Cold weather reduces all battery life significantly. Keep extra batteries on hand and enable low-battery alerts — locks typically give you weeks of warning before dying. What happens when batteries die? Most locks have a 9V battery terminal on the exterior that lets you jump-start the lock with a 9V battery to enter your code and replace the batteries. Never be actually locked out.
Budget ($80-130): August retrofit (interior only), entry-level Z-Wave locks. Basic app control and code entry. Fine for light use. Mid-range ($150-200): ULTRALOQ, DESLOC, entry-level Schlage. Fingerprint, keypad, Wi-Fi, good battery life. The sweet spot for most homeowners. Premium ($220-300): Schlage Encode Plus with Apple Home Key, Schlage Grade 1 with all finishes. Worth it for Apple ecosystem users or when security certification matters.
Q: Are smart locks less secure than regular deadbolts? A: Not inherently. A Grade 1 Schlage smart lock is more secure than most standard deadbolts. The concern is the app/cloud layer — if the manufacturer's servers are hacked, could someone unlock your door remotely? Most major brands use encrypted connections and store minimal data. Physical security (the bolt itself) is usually not the weak point. Q: What happens to my smart lock if the internet goes down? A: Keypad codes and fingerprint access work without internet. Only app-based remote unlock requires connectivity. You can always get in with your code. Q: Can I use a smart lock if I'm a renter? A: The August Smart Deadbolt is specifically designed for renters — it attaches to the interior of your existing deadbolt without modifying anything visible from outside. When you move, remove it and reinstall your original thumb turn. Q: How do I give temporary access to guests? A: Create a temporary code with an expiration date, or use the app to grant a guest temporary access. Time-limited codes (valid only for a specific date range) are the cleanest solution for vacation rental hosts and dog walkers. Q: Do smart locks work with Ring, Nest, and other smart home systems? A: Compatibility varies by lock and system. Most locks support Alexa and Google Assistant. Apple HomeKit requires specific certifications (look for "Works with Apple Home" on the box). Ring integration is easiest with Amazon-owned brands. Check compatibility before buying if you have an existing smart home ecosystem.
At a Glance
| # | Product | Award | Price | Upc | Asin | Color | Our Score | |
|---|---|---|---|---|---|---|---|---|
| 1 |  August Wi-Fi Smart Keyless Deadbolt Loc… |
Best Overall | $109 | 850004426265 | B082VXK9CK | Silver | 9.2 | Buy → |
| 2 |  DESLOC K120 3D Fingerprint Wi-Fi Smart … |
Best Backup Power | $169 | — | B0G8HJP55W | Black | 8.9 | Buy → |
| 3 |  ULTRALOQ Bolt Fingerprint Wi-Fi Smart L… |
Best with Handle | $249 | 850056978583 | B0FFGT4LCM | Black with Satin Nickel | 8.5 | Buy → |
| 4 |  Schlage Encode Smart WiFi Deadbolt BE48… |
Best Satin Chrome Finish | $269 | 043156039111 | B07HX9GSJM | Satin Nickel | 7.8 | Buy → |
| 5 |  Schlage Encode Plus Smart WiFi Deadbolt… |
Best Matte Black Finish | $281 | 194555086777 | B09RS6C1SJ | Matte Black | 7.5 | Buy → |
Showing 5 of 5 products
August Wi-Fi Smart Keyless Deadbolt Lock Silver AUG-SL05
“Best for homeowners who want a smart lock that works without a dedicated hub and integrates with both Alexa and Google ecosystems out of the box.”
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The August Wi-Fi Smart Deadbolt is unique in this category: it replaces only the interior thumb turn of your existing deadbolt, leaving the exterior appearance unchanged. You keep your existing keys and keyways — guests with physical keys still work, and your landlord won't notice the change from outside. The Wi-Fi connection (no separate hub required) enables remote lock/unlock from anywhere. Auto-lock and auto-unlock based on phone proximity. Works with Alexa, Google Assistant, and Apple HomeKit. Easy installation — just a screwdriver in about 15 minutes. Ideal for renters or anyone who wants smart features without changing the exterior hardware.
DESLOC K120 3D Fingerprint Wi-Fi Smart Deadbolt 15000mAh Black
“The 15000mAh battery is the DESLOC's standout feature — months of use without worrying about a dead lock.”
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The DESLOC K120 stands out with its massive 15,000mAh internal battery — enough for roughly 6-8 months of normal use before needing a recharge. This matters: most smart locks last 3-6 months on AA batteries, but the DESLOC's lithium battery maintains charge better in cold weather and provides a much longer service interval. The 3D fingerprint reader uses capacitive sensing for accurate reads even with wet or dirty fingers. Wi-Fi connects directly without a hub. The low battery warning triggers well in advance so you're never locked out due to a dead battery. Fingerprint capacity handles large households or Airbnb use cases.
ULTRALOQ Bolt Fingerprint Wi-Fi Smart Lock with Handle
“ULTRALOQ's fingerprint smart lock delivers true keyless entry — the handle inclusion makes it a complete door replacement.”
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The ULTRALOQ Bolt combines a smart deadbolt with a lever handle in a single unit, replacing both your deadbolt and knob/lever handle simultaneously. The result is a cleaner, more integrated look than adding a smart lock above an existing handle. The fingerprint reader unlocks in 0.3 seconds with up to 95 fingerprints stored. Anti-peep keypad with a scramble feature randomizes which numbers you press first (so smudge patterns don't reveal your code). Wi-Fi built-in for remote access without a hub. Auto-lock timer, voice assistant compatibility, and activity log for monitoring who enters and when. The best overall hardware quality in this group.
Schlage Encode Smart WiFi Deadbolt BE489WB Satin Chrome
“Best overall smart lock -- built-in WiFi, 100 access codes, ANSI Grade 1 security, and no hub required.”
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- Built-in WiFi -- no hub required
- 100 access codes
- Built-in alarm for forced entry
- ANSI Grade 1 highest residential security rating
- Works with Alexa, Google Assistant
Watch out for
- Higher price than August
- App can be slow to connect on first launch
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The Schlage BE489WB is functionally identical to the Encode above but in the Satin Chrome finish. For homes with brushed nickel or satin chrome door hardware (very common in modern construction), the matching finish matters. The BE489WB's Satin Chrome is a near-perfect match for brushed nickel fixtures from most brands. Same ANSI Grade 1 security, same built-in Wi-Fi, same 100-code capacity. The choice between the standard Encode and this model is purely aesthetic — if your existing hardware is satin chrome or brushed nickel, get this one.
Schlage Encode Plus Smart WiFi Deadbolt Matte Black
“Best for Apple users -- Home Key tap-to-unlock is the most seamless keyless entry available on any platform.”
See Today’s Price →What we like
- Apple Home Key -- tap iPhone or Apple Watch to unlock
- Built-in WiFi + Bluetooth
- ANSI Grade 1 security
- 100 access codes
- Google Home and Alexa compatible
Watch out for
- $300 premium
- Apple Home Key requires iPhone (Android users get no benefit)
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The Schlage Encode Plus adds one significant feature over the standard Encode: Apple Home Key support. This means iPhone and Apple Watch users can unlock the door with an NFC tap — faster and more reliable than app-based unlock. The Matte Black finish matches the trend toward dark hardware in modern and transitional home styles. Same Grade 1 security and 100-code capacity as the standard Encode. The premium over the standard Encode is justified if you use Apple devices and want the convenience of wallet-card-style NFC unlock. Android users and non-Apple households should save money with the standard Encode.
Frequently Asked Questions
Are smart locks less secure than regular deadbolts?
What happens to my smart lock if the internet goes down?
Can I use a smart lock if I'm a renter?
How do I give temporary access to guests?
Do smart locks work with Ring, Nest, and other smart home systems?
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