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10 Best Smart Lock Over Existing Deadbolt 2025 in the United States

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Our Top Picks

#1

Winner

Schlage Encode Smart WiFi Deadbolt Lock for Front Door - Keyless Entry with App or Touchscreen - Works with Alexa, Apple HomeKit, Hey Google, & Airbnb - Create Codes for Guests - Matte Black

Rating
10.0
Chosen by1,295
Connectivity
Power Source
Integration with Smart Home Systems

Most important from
15299 reviews

Connectivity
Wi-Fi connectivity is reliable and quick to set up, ensuring consistent remote access and control.
Power Source
Battery life is impressive, with minimal drain even after frequent use, suggesting a potential lifespan of about a year.
Integration with Smart Home Systems
The integration with Alexa is seamless, allowing easy lock and unlock functions with voice commands.
User Access Management
The Schlage app is user-friendly, providing features like remote locking/unlocking, user management, and activity history.

The Schlage Encode Smart Wi-Fi Deadbolt with Camelot Trim in Matte Black offers a robust solution for those seeking to upgrade their existing deadbolt with a smart lock. Key strengths include built-in Wi-Fi for remote access without additional accessories and compatibility with Alexa for voice control. This makes it easy to lock, unlock, and check the status of your door from anywhere, providing added convenience and security.

The lock also supports up to 100 unique access codes via the Schlage Home or Key by Amazon apps, making it simple to manage access for family and friends. The fingerprint-resistant touchscreen and built-in alarm technology enhance security, along with alerts for potential security breaches and low battery warnings. Installation is straightforward with just a screwdriver thanks to the unique snap ‘n stay technology, making it accessible for most users. The lock's matte black finish and rectangular design offer a sleek, modern look that complements various door designs.

It is important to measure your door's dimensions to ensure compatibility. One potential drawback is the reliance on battery power, which necessitates monitoring and periodic replacement, although the lock does offer alerts and smart reordering through Amazon Dash Replenishment. Additionally, while it integrates well with Amazon Alexa, compatibility with other smart home systems like Google Assistant and Vera is available but may not be as seamless. Users who prioritize a smart lock with versatile access management, easy installation, and solid security features will find the Schlage Encode Smart Wi-Fi Deadbolt to be a reliable and user-friendly choice.

Rating
10.0
Chosen by1,295
Connectivity
Power Source
Integration with Smart Home Systems

Most important from
15299 reviews

Connectivity
Wi-Fi connectivity is reliable and quick to set up, ensuring consistent remote access and control.
Power Source
Battery life is impressive, with minimal drain even after frequent use, suggesting a potential lifespan of about a year.
Integration with Smart Home Systems
The integration with Alexa is seamless, allowing easy lock and unlock functions with voice commands.
User Access Management
The Schlage app is user-friendly, providing features like remote locking/unlocking, user management, and activity history.
#2

SCHLAGE BE489WB GRW 716 Encode WiFi Deadbolt Smart Lock, Keyless Entry Touchscreen Door Lock with Greenwich Trim, Aged Bronze

Rating
10.0
Power Source
Security Features
Integration with Smart Home Systems

Most important from
15299 reviews

Power Source
Battery life is impressive, lasting well over six months even with frequent use, and over a year with less frequent use.
Security Features
Automatic locking features add an extra layer of security by ensuring the door is always locked at night.
Integration with Smart Home Systems
The Encode lock integrates smoothly with other smart home systems, making remote access and monitoring straightforward.

The Schlage Encode Smart WiFi Deadbolt Lock offers a comprehensive solution for modern home security needs. One of its key strengths is its built-in WiFi compatibility, allowing you to control and monitor your lock from anywhere using the Schlage Home app. This makes it highly convenient for managing up to 100 access codes and viewing lock history remotely. The lock's compatibility with Alexa, Google Home, and Apple HomeKit ensures seamless integration with various smart home systems, providing hands-free control options. Additionally, it is designed to work with platforms like Airbnb, making it easier to manage guest access codes.

Security is a top priority with features like encrypted connections, a customizable alarm for door movement and forced entry attempts, and a fingerprint-resistant touchscreen. The lock has also received high ratings for security, durability, and finish from BHMA industry experts. Installation is straightforward, requiring just a screwdriver, and the Snap ‘n Stay design helps keep the lock in place during installation. The lock is battery-operated, using four AA batteries that can last up to six months and includes a low-battery indicator both on the touchscreen and in the app.

The reliance on batteries means you'll need to keep replacements on hand. The physical backup key is a helpful addition in case of electronic failure. While the Schlage Encode Smart WiFi Deadbolt excels in many areas, its primary drawback might be the ongoing need to monitor and replace batteries, which some users could find inconvenient.

Rating
10.0
Power Source
Security Features
Integration with Smart Home Systems

Most important from
15299 reviews

Power Source
Battery life is impressive, lasting well over six months even with frequent use, and over a year with less frequent use.
Security Features
Automatic locking features add an extra layer of security by ensuring the door is always locked at night.
Integration with Smart Home Systems
The Encode lock integrates smoothly with other smart home systems, making remote access and monitoring straightforward.
#3

Yale Assure Lock 2 Deadbolt, Black Suede Smart Keyless Entry Door Lock with Wi-Fi Connected Keypad for Code Entry and Remote Access, YRD450-WF1-BSP

Rating
9.8
Compatibility
Power Source
Security Features

Most important from
2225 reviews

Compatibility
Installation is a breeze, taking about 15 minutes with the existing cutouts fitting perfectly.
Power Source
The lock's large interior component is justified by the need to house batteries and the computer portion.
Security Features
There have been reports of the lock overheating and causing potential safety hazards.
Integration with Smart Home Systems
The Yale Assure Lock 2 is a great addition to smart home setups, especially for those using Apple HomeKit.

The Yale Assure Lock 2 Deadbolt is a smart lock designed for easy installation over existing deadbolts. It offers various ways to unlock the door, including a keypad, voice assistant, auto-unlock, and the Yale Access App, making it versatile for different user preferences. This lock ensures peace of mind with features like Auto-Lock via DoorSense and remote management through the app. However, it's worth noting that this product is only operational within the US and Canada, which could be a limitation for international users.

The security features are robust with two-factor authentication, biometric verification, and a matte keypad to resist fingerprints. Additionally, the lock can be integrated with Apple Home and other smart home systems, making it convenient for users who already have or plan to have a smart home setup. The hands-free voice assistant compatibility with Amazon Alexa, Hey Google, and Siri further enhances convenience. Sharing access is straightforward through the Yale Access App, allowing you to provide unique codes to family and friends and track entry and exit times.

Installation is user-friendly, requiring just a screwdriver and no professional help. One potential drawback is the reliance on battery power, which means you’ll need to monitor and replace batteries periodically. This lock is durable, made from zinc, and fits most standard US entry doors. The Yale Assure Lock 2 Deadbolt is an excellent choice for users looking for a secure, versatile, and easy-to-install smart lock that integrates well with existing smart home systems.

Rating
9.8
Compatibility
Power Source
Security Features

Most important from
2225 reviews

Compatibility
Installation is a breeze, taking about 15 minutes with the existing cutouts fitting perfectly.
Power Source
The lock's large interior component is justified by the need to house batteries and the computer portion.
Security Features
There have been reports of the lock overheating and causing potential safety hazards.
Integration with Smart Home Systems
The Yale Assure Lock 2 is a great addition to smart home setups, especially for those using Apple HomeKit.

Buying Guide for the Best Smart Lock Over Existing Deadbolt

Choosing a smart lock to go over your existing deadbolt can significantly enhance your home security and convenience. Smart locks offer features like remote access, keyless entry, and integration with other smart home devices. When selecting the right smart lock, it's important to consider various specifications to ensure it meets your needs and is compatible with your current setup. Here are some key specs to consider and how to navigate them.
CompatibilityCompatibility refers to whether the smart lock can be installed over your existing deadbolt without requiring major modifications. This is important because it ensures that the installation process is straightforward and that the lock will work seamlessly with your current door hardware. To navigate this, check the manufacturer's specifications to see if your deadbolt model is listed as compatible. If you have a standard deadbolt, most smart locks should fit, but it's always best to double-check. If you have a non-standard or older deadbolt, you may need to look for a smart lock specifically designed for such cases.
ConnectivityConnectivity refers to how the smart lock communicates with your smartphone or other devices. This is important because it determines how you can control and monitor the lock remotely. Common connectivity options include Bluetooth, Wi-Fi, and Z-Wave. Bluetooth is suitable for local control within a short range, Wi-Fi allows for remote access from anywhere with an internet connection, and Z-Wave is ideal for integration with a smart home hub. Choose Bluetooth if you only need local control, Wi-Fi for full remote access, and Z-Wave if you have or plan to build a smart home ecosystem.
Power SourceThe power source of a smart lock is how it gets the energy to operate. This is important because it affects the lock's reliability and maintenance. Most smart locks are battery-powered, but some may offer additional power options like a backup key or USB charging. Battery life can vary, with some locks lasting several months on a single set of batteries. To navigate this, consider how often you are willing to change batteries and whether you want a backup power option. If you prefer low maintenance, look for a lock with long battery life and easy battery replacement.
Security FeaturesSecurity features refer to the additional protections a smart lock offers beyond basic locking and unlocking. This is important because it enhances the overall security of your home. Features to look for include encryption, tamper alerts, auto-locking, and two-factor authentication. Encryption ensures that your data is secure, tamper alerts notify you of any unauthorized attempts to access the lock, auto-locking automatically secures the door after a set period, and two-factor authentication adds an extra layer of security. Choose a lock with robust security features if you prioritize safety and want to protect against potential threats.
Integration with Smart Home SystemsIntegration with smart home systems refers to the ability of the smart lock to work with other smart devices and platforms. This is important because it allows you to create a cohesive and automated home environment. Common integrations include compatibility with voice assistants like Amazon Alexa, Google Assistant, and Apple HomeKit, as well as other smart home devices like cameras and alarms. To navigate this, consider which smart home systems you already use or plan to use. Choose a lock that is compatible with your preferred ecosystem to ensure seamless integration and control.
User Access ManagementUser access management refers to the ability to control and monitor who can access your home. This is important because it allows you to grant and revoke access easily, track entry times, and ensure that only authorized individuals can enter. Features to look for include the ability to create temporary or permanent access codes, remote access control, and activity logs. To navigate this, consider how many people need access and how you want to manage it. Choose a lock with flexible user access management if you have multiple users or need to provide temporary access to guests or service providers.

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