What Is a Smart Lock?
A smart lock is an electronic locking device that enhances security through wireless communication and automated control. It replaces or upgrades traditional locks, allowing access via keypads, biometrics, mobile apps, or voice assistants.
Key Features of a Smart Lock
- Wireless Connectivity: Uses Wi-Fi, Bluetooth, Zigbee, or Z-Wave for remote access.
- Multiple Authentication Methods: Supports keypads, biometrics, RFID cards, or mobile apps.
- Remote Access Control: Allows unlocking and monitoring via smartphone applications.
- Auto-Locking & Unlocking: Uses proximity sensors or timers for automated security.
- Integration with Smart Home Systems: Works with Alexa, Google Assistant, and Apple HomeKit.
- Access Logs & Notifications: Sends real-time alerts and entry records for tracking access.
- Temporary Access Codes: Generates one-time or scheduled codes for guests and deliveries.
- Battery Backup & Emergency Power: Ensures functionality through backup batteries or USB power.
- Tamper Alerts & Security Alarms: Detects unauthorized access attempts or forced entry.
Are Smart Locks Actually Secure?
Smart locks use encryption, multi-factor authentication, and real-time monitoring to enhance security. They reduce key duplication risks and provide customized access control.
Security Features of a Smart Lock
- Encryption Standards: Uses AES-128 or AES-256 encryption to protect digital keys.
- Multi-Factor Authentication: Supports PIN codes, biometrics, RFID cards, and mobile verification.
- Remote Access Control: Allows monitoring and unlocking via mobile apps.
- Access Logs & Alerts: Tracks entry history and unauthorized attempts.
- Tamper Detection: Activates alarms against forced entry or lock manipulation.
- Auto-Locking Mechanism: Secures doors automatically after a set time.
- Secure Key Sharing: Generates temporary or scheduled access codes.
- Backup Power Options: Uses batteries or emergency USB power during outages.
- Integration with Smart Security Systems: Works with Google Assistant, Alexa, and Apple HomeKit.
Our Top Tested Picks
These smart locks provide advanced security, seamless integration, and remote access control. Each model offers unique features for enhanced protection. Here is the list of best smart locks of 2025:
- Ultraloq Bolt Fingerprint
- Lockly Visage Zeno Series Facial Recognition Deadbolt
- August Wi-Fi Smart Lock
- Eufy Video Smart Lock
- Igloohome Padlock 2 and Bridge
- Kwikset Halo Touch Fingerprint Smart Lock
- Proscenic L60 Smart Lock
- TCL D1 Pro Palm Vein Smart Lock
- Yale Assure Lock 2
1. Best Overall: Ultraloq Bolt Fingerprint
Ultraloq Bolt Fingerprint offers advanced security, biometric authentication, and smart home integration. It combines durability, convenience, and multiple access options.
Why We Picked It
Ultraloq Bolt Fingerprint provides fast fingerprint recognition, mobile app control, and auto-locking. It supports remote access via Wi-Fi Bridge and temporary key sharing.
Who It’s For
Ideal for homeowners, rental properties, and Airbnb hosts. It suits users seeking biometric security, keyless entry, and remote management.
Specifications & Configurations
Fingerprint Sensor: Stores up to 120 fingerprints with 0.3-second recognition speed.
Multiple Access Methods: Supports fingerprint, mobile app, keypad, and mechanical key.
Connectivity: Uses Bluetooth; Wi-Fi requires an optional bridge.
Power Source: Runs on 4 AA batteries, lasts up to 8,000 unlocks.
Compatibility: Works with Alexa, Google Assistant, and IFTTT.
Auto-Locking: Customizable auto-lock timing for added security.
Pros
- Fast, accurate fingerprint scanner
- Multiple access options
- Remote access with Wi-Fi Bridge
- Auto-locking and anti-peep keypad
- Compatible with smart home platforms
Cons
- Wi-Fi Bridge sold separately
- No Apple HomeKit support
- Limited third-party integrations
2. Best for Facial Recognition: Lockly Visage Zeno Series Facial Recognition Deadbolt
Lockly Visage Zeno Series uses 3D facial recognition for keyless entry. It offers fast, secure authentication and multiple access options.
Why We Picked It
Lockly Visage Zeno features advanced AI-driven facial recognition, offline access codes, and encrypted key sharing. It ensures fast unlocking and high security.
Who It’s For
Ideal for tech-savvy homeowners, rental properties, and businesses. Suitable for users needing hands-free, biometric security.
Specifications & Configurations
Facial Recognition: Uses 3D biometric scanning, detects over 90 facial points.
Multiple Access Methods: Supports facial recognition, PIN codes, mobile app, and mechanical key.
Connectivity: Works with Bluetooth and Wi-Fi (optional bridge required).
Power Source: Runs on rechargeable lithium-ion battery, supports emergency USB-C charging.
Smart Home Compatibility: Integrates with Alexa and Google Assistant.
Security Features: Includes offline access codes, auto-lock, and anti-peep keypad.
Pros
- Fast and secure 3D facial recognition
- Multiple access methods for flexibility
- Encrypted offline access codes
- Smart home integration with Alexa and Google Assistant
- Auto-locking and tamper alerts
Cons
- Wi-Fi bridge sold separately
- Limited Apple HomeKit support
- Requires direct face alignment for unlocking
3. Best Retrofit Smart Lock: August Wi-Fi Smart Lock
August Wi-Fi Smart Lock converts existing deadbolts into keyless smart locks. It provides remote access, auto-locking, and voice control.
Why We Picked It
August Wi-Fi Smart Lock offers full smart lock features without replacing the existing deadbolt. It supports Wi-Fi connectivity, remote control, and auto-unlock functions.
Who It’s For
Perfect for renters, homeowners, and Airbnb hosts who want smart lock benefits without changing hardware.
Specifications & Configurations
Installation: Works with single-cylinder deadbolts, no extra drilling needed.
Connectivity: Built-in Wi-Fi eliminates the need for an external bridge.
Smart Home Integration: Supports Alexa, Google Assistant, Apple HomeKit, and SmartThings.
Access Control: Enables guest access, remote unlocking, and auto-locking.
Security Features: Uses AES 128-bit encryption, two-factor authentication, and activity logs.
Power Source: Runs on two CR123 batteries, with low-battery alerts.
Pros
- Easy retrofit installation on existing deadbolts
- Wi-Fi connectivity without extra hub
- Remote access via smartphone app
- Supports voice control with Alexa and Google Assistant
- Auto-unlock and door position detection
Cons
- Short battery life compared to other smart locks
- Requires strong Wi-Fi connection for best performance
- No physical keypad option
4. Best Lock and Video Doorbell Combination: Eufy Video Smart Lock
Eufy Video Smart Lock combines a smart lock with a built-in video doorbell. It provides fingerprint access, live video, and remote control.
Why We Picked It
Eufy Video Smart Lock offers 3-in-1 security with keyless entry, real-time video monitoring, and two-way audio. It integrates biometric authentication, motion detection, and smart notifications.
Who It’s For
Ideal for homeowners and smart security enthusiasts who want a keyless lock with built-in surveillance.
Specifications & Configurations
Lock Type: Keyless entry with fingerprint scanner, keypad, and app control.
Camera: 2K resolution with HDR, night vision, and 160° field of view.
Connectivity: Supports Wi-Fi, Bluetooth, and Eufy Security app integration.
Smart Home Compatibility: Works with Amazon Alexa and Google Assistant.
Security Features: Auto-locking, tamper detection, and two-way audio communication.
Power Source: Rechargeable battery with USB-C charging.
Pros
- Combines smart lock and video doorbell in one device
- High-resolution 2K camera with night vision
- Fast fingerprint recognition for quick access
- Real-time alerts and remote monitoring
- Weather-resistant design for outdoor use
Cons
- No Apple HomeKit support
- Requires strong Wi-Fi for smooth video streaming
- Slightly bulkier design compared to standalone locks
5. Best Smart Padlock: Igloohome Padlock 2 and Bridge
Igloohome Padlock 2 offers remote access, Bluetooth unlocking, and PIN codes. It integrates offline access, security alerts, and durable construction.
Why We Picked It
Igloohome Padlock 2 delivers smart security with flexible access control. It supports Bluetooth keys, time-sensitive PINs, and encrypted security features.
Who It’s For
Ideal for business owners, travelers, and outdoor security needs where remote access and temporary PIN sharing are essential.
Specifications & Configurations
Lock Type: Smart padlock with Bluetooth and PIN access.
Connectivity: Igloohome Bridge enables remote unlocking.
Security Features: AES encryption, tamper alerts, and activity logs.
Durability: Weather-resistant zinc alloy body and stainless steel shackle.
Battery Life: Up to 1 year on CR2 lithium battery.
Access Sharing: Temporary, recurring, and one-time PINs via app.
Pros
- Offline PIN access without Wi-Fi dependency
- Strong build with weather-resistant materials
- Multiple access modes for flexibility
- Remote unlocking with Igloohome Bridge
- Tamper alerts and activity tracking
Cons
- No fingerprint scanner for biometric access
- Igloohome Bridge required for remote control
- Slightly heavier than standard padlocks
6. Most Stylish Design: Kwikset Halo Touch Fingerprint Smart Lock
Kwikset Halo Touch features a sleek design, fingerprint access, and Wi-Fi connectivity. It offers keyless entry, remote control, and encryption security.
Why We Picked It
Kwikset Halo Touch combines aesthetics with advanced security. It integrates a fingerprint scanner, remote access, and smart home compatibility.
Who It’s For
Ideal for homeowners, renters, and smart home users who value style, convenience, and biometric security.
Specifications & Configurations
Lock Type: Smart deadbolt with fingerprint sensor.
Connectivity: Built-in Wi-Fi for remote access.
Security Features: AES-128 encryption, auto-lock, and tamper alerts.
User Access: Up to 100 fingerprints for multiple users.
Compatibility: Works with Alexa and Google Assistant.
Power Source: Four AA batteries with low-battery alerts.
Pros
- Fast fingerprint recognition for keyless entry
- Elegant design with a modern finish
- Remote access via Kwikset app
- No additional hub required for Wi-Fi control
- Customizable auto-lock settings
Cons
- No manual key option for backup
- Battery-powered, requiring replacements
- Limited smart home integrations compared to competitors
7. Best Budget-Friendly Smart Lock: Proscenic L60 Smart Lock
Proscenic L60 offers fingerprint access, Wi-Fi connectivity, and mobile control at an affordable price. It features secure encryption, multiple unlock methods, and a sleek design.
Why We Picked It
Proscenic L60 delivers advanced security features at a budget price. It supports biometric authentication, remote access, and smart home integration.
Who It’s For
Ideal for budget-conscious users, renters, and homeowners who seek smart security without high costs.
Specifications & Configurations
Lock Type: Smart deadbolt with fingerprint sensor.
Connectivity: Wi-Fi and Bluetooth for remote control.
Security Features: AES-128 encryption, anti-peep passcodes, and auto-lock.
User Access: Supports multiple users with fingerprint and app control.
Compatibility: Works with Alexa and Google Assistant.
Power Source: Rechargeable lithium battery with USB-C charging.
Pros
- Affordable pricing with premium security features
- Fast fingerprint recognition for keyless entry
- Mobile app for remote access and activity logs
- Auto-lock and tamper detection for added safety
- Rechargeable battery with energy-efficient design
cons
- No physical key backup for emergencies
- Limited smart home integrations compared to high-end models
- Wi-Fi control requires a separate gateway device
8. Best for Palm Scanning: TCL D1 Pro Palm Vein Smart Lock
TCL D1 Pro features advanced palm vein recognition for secure and contactless access. The lock ensures biometric authentication using unique vein patterns. It supports multiple unlocking methods, including passwords, NFC cards, and mechanical keys.
Why We Picked It
TCL D1 Pro offers high-security palm vein scanning with fast and accurate recognition. It minimizes touch-based interactions, enhancing hygiene and convenience.
Who It’s For
This lock suits high-security environments, smart homes, and users seeking touchless access. It’s ideal for families and offices needing biometric authentication.
Specifications & Configurations
Palm Vein Recognition: Infrared-based authentication
Unlock Methods: Palm, PIN, NFC, Mechanical Key
Power Supply: Rechargeable battery
Build Material: Reinforced metal alloy
Connectivity: Wi-Fi and Bluetooth-enabled
Pros
- Palm vein recognition for secure authentication
- Multiple access options for flexibility
- Durable construction for long-term use
Cons
- Requires power source for biometric functions
- Higher price compared to standard locks
- Limited compatibility with some smart home systems
9. Most Affordable HomeKit Lock: Yale Assure Lock 2
Yale Assure Lock 2 is a budget-friendly smart lock designed for Apple users. It supports HomeKit for seamless integration with iPhones, iPads, and Apple Watch. Multiple access options and upgradeable connectivity make it a versatile choice for smart home security.
Why We Picked It
Yale Assure Lock 2 offers HomeKit support at an affordable price. Seamless Apple ecosystem integration ensures easy control via Siri and the Home app.
Specifications & Configurations
Unlocking Methods: Keypad, HomeKit, App
Connectivity: Bluetooth (Wi-Fi/Zigbee/Z-Wave with module)
Material: Zinc alloy
Power Source: 4 AA batteries
Pros
- HomeKit compatibility for Apple ecosystem users
- Multiple access methods including keypad and app
- Compact design fits most doors
- Upgradeable modules for Zigbee, Z-Wave, or Wi-Fi
- Affordable pricing compared to competitors
Cons
- Wi-Fi module sold separately
- No fingerprint sensor for biometric access
- Limited third-party integration outside Apple ecosystem
Final Words
Choosing the right smart lock depends on security needs, budget, and compatibility. The August Wi-Fi Smart Lock is ideal for retrofitting, while the Eufy Video Smart Lock combines security with video monitoring. For those prioritizing style, the Kwikset Halo Touch offers an elegant design. Budget-conscious users can opt for the Proscenic L60, while the TCL D1 Pro is best for advanced palm scanning security. The Yale Assure Lock 2 provides an affordable HomeKit-compatible option. Each lock offers unique features, from biometric authentication to Wi-Fi connectivity. Consider installation requirements, power sources, and smart home integrations when selecting a smart lock.
