Product Price Connectivity Bluetooth Range (m) Battery Life Smartphone Compatibility Locking Speed (s) Auto Unlock Voice Control Keypad
Wyze Wyze Lock Bolt V2
US
£60.57 Wi-Fi 8 iOS and Android

Wyze Lock Bolt v2 is a smart fingerprint door lock with a backlit anti-peep keypad and built-in Wi-Fi for remote lock/unlock and status control in the Wyze app. It supports auto-lock with a customizable timer and can trigger tamper alarms. It suits homes that want keyless entry with app control from anywhere.

★ 适合人群

It is likely the quietest option from this specific model's features because locking is primarily handled by an app-set auto-lock timer and touchscreen keypad, with no mention of audible voice-based unlocking mechanisms or bulky hardware actions beyond the deadbolt lock itself.

Wyze Wyze Lock (Model varies by bundle; page shows Wyze Lock price only)
US
£60.57 Wi-Fi Wyze app

The Wyze Lock is a smart deadbolt system that lets you monitor and control your lock using the Wyze app. It includes a backlit keypad with anti-peep codes and supports an auto-lock feature. It also works with Amazon Alexa for voice control.

★ 适合人群

A quiet smart lock usually prioritizes smooth, low-effort access; the Wyze Lock's voice control (Amazon Alexa) and keypad-based entry with anti-peep codes suit quick, hands-free use without needing to fumble for keys or press multiple times to enter or unlock.

Level Level Bolt
US
£109.47 Bluetooth 12 iOS and Android

Level Bolt makes your existing deadbolt smart by fitting inside your door, so nothing visible changes from the outside. It works over Bluetooth with the Level app and supports Siri for voice control, plus auto-lock and auto-unlock features.

★ 适合人群

If you want the quietest smart door lock, Level Bolt fits inside your deadbolt (no exterior keypad/touch hardware) and uses a hidden motorized actuator, avoiding the external button/keypad mechanisms typical of many keypad-based locks.

eufy eufy Smart Lock Touch & WiFi (Part Number T8520)
US
£128.74 Bluetooth and WiFi 70 eufy Security app

The eufy Smart Lock Touch & WiFi (T8520) is a WiFi-connected smart deadbolt with Bluetooth-based unlocking as you approach. It supports multiple entry methods including the app, an entry code, fingerprint recognition, and physical key, plus voice control via Alexa or Google Assistant. It also includes auto-lock with a selectable timing window.

★ 适合人群

If you're looking for the quietest smart door lock, this model is designed for fast, straightforward electronic locking/unlocking (fingerprint recognition in 0.3 seconds and unlock in 1 second) rather than loud mechanical actions, and it provides access from the keypad/app without requiring keys.

Aqara Aqara Smart Lock U100 Kit (Model DL-D01D)
US
£143.88 Bluetooth 5.0 and Zigbee 3.0 Over 20 8 Aqara Home app and Apple Home

Aqara Smart Lock U100 Kit (DL-D01D) is a keyless smart deadbolt that supports local unlocking and remote access when paired with an Aqara hub. It provides fingerprint unlock and password entry via its built-in keypad, and it integrates with Apple Home for Apple Home Key/Siri-based unlocking. It also supports voice unlocking through Siri and Google Assistant/Alexa and can use Zigbee for smart-home integration.

★ 适合人群

If you want the quietest smart door lock, the U100's Bluetooth/local and remote unlocking options are fast while it relies on an efficient Zigbee system that targets low battery drain, with battery life up to 8 months and short-range Bluetooth unlock over 20 meters-features that reduce frequent mechanical re-locking and maintenance cycles.

Yale Yale Assure Lock 2 Touch with Wi-Fi
US
£174.17 Wi-Fi, Bluetooth iOS or Android

Yale Assure Lock 2 Touch with Wi-Fi combines built-in Wi-Fi and Bluetooth connectivity with fingerprint access and a touchscreen keypad. It supports remote access via the Yale Access app, as well as auto-unlock and voice assistant control with supported smart home ecosystems. It's suited to people who want hands-free entry plus phone/voice control for everyday access.

★ 适合人群

It's a quiet option for 'the quietest smart door lock' because locking/unlocking uses electronic fingerprint access and app/voice integration (no motorized keypad stamping described), and Yale reports fingerprint recognition time under 0.5 seconds.

eufy Video Smart Lock S330
US
£195.30 4 eufy Security App

eufy's Video Smart Lock S330 combines a deadbolt-style smart lock with an integrated 2K camera, a video doorbell, and local video storage on the included chime (requires an SD card). You can unlock using a keypad, fingerprint, or the eufy Security app, and it supports voice control via Alexa or Google Assistant. It's aimed at people who want a full door-access + door-vision solution without a monthly video-storage subscription.

★ 适合人群

它很适合寻找最安静的选项,因为其不支持'自动解锁'(因此不会自动持续触发解锁尝试),同时支持语音控制,并配合密码键盘以手动、明确的方式进行操作。