# What are the quietest smart door locks on the market? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the quietest smart door locks on the market?

## Products

### Yale Yale Assure Lock 2 (YRL345)
```yaml
product: yale-yale-assure-lock-2-yrl345
brand: Yale
price_gbp: 224.75
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Touchscreen or pushbutton keypad (depends on variant)
lock_type: Deadbolt
auto_unlock: Yes (Bluetooth-based auto-unlock)
connectivity: Bluetooth (built-in); optional Wi‑Fi, Z-Wave, Matter via modules
smart_home_compatibility: Apple Home (HomeKit), Google Home, Amazon Alexa, Samsung SmartThings, Philips Hue, ecobee Smart Security, Airbnb (varies by model/module)
```

- **Price:** £224.75 [^1]
- **Summary:** The Yale Assure Lock 2 is a smart deadbolt available in keyed and key-free variants with touchscreen or pushbutton keypads, built-in Bluetooth and optional Wi‑Fi/Z-Wave/Matter via modules, DoorSense sensor, auto-lock and auto-unlock, and support for major smart-home platforms. It uses four AA batteries and offers biometric and Apple Home Key options on higher-end models, making it a flexible choice for modern homes.
- **Ideal For:** Suitable for the quietest smart door locks question because it is a full deadbolt with internal motorized locking (not a loud retrofit thumb-turn add-on), Bluetooth-based auto-unlock, and multiple connectivity options that let you avoid noisy mechanical operation when using app or biometric entry.

### Wyze Wyze Lock (3rd Gen) WY-LK03
```yaml
product: wyze-wyze-lock-3rd-gen-wy-lk03
brand: Wyze
price_gbp: 97.39
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
lock_type: Deadbolt (replaces existing deadbolt)
auto_unlock: true
battery_life: 4
connectivity: Wi-Fi, Bluetooth
bluetooth_range: 4.9
smart_home_compatibility: Amazon Alexa, Google Assistant, Wyze app
```

- **Price:** £97.39 [^2]
- **Summary:** Wyze Lock (3rd Gen) is a smart deadbolt that attaches to your existing deadbolt and supports Wi‑Fi and Bluetooth for remote control and app access. It offers Wyze app integration, voice assistant compatibility, and advanced auto‑unlock and door‑position auto‑lock features, designed for easy installation and remote monitoring. It targets users who want full smart‑home integration at a midrange price point.
- **Ideal For:** Good for quiet smart‑lock needs because it's a Wi‑Fi/Bluetooth deadbolt with auto‑unlock and an internal motorized turn (battery powered) that enables quieter operation compared with retrofit external thumbturn adapters.

### Wyze Wyze Lock
```yaml
product: wyze-wyze-lock
brand: Wyze
price_gbp: 59.92
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Optional (sold separately)
lock_type: deadbolt add-on (attaches to existing deadbolt)
auto_unlock: Yes (geofence + Bluetooth two-step)
battery_life: 5
connectivity: Wi-Fi, Bluetooth, Zigbee (via Wyze Gateway)
bluetooth_range: 4.9
smart_home_compatibility: Amazon Alexa, Google Assistant, Wyze automations (requires Wyze Gateway for full features)
```

- **Price:** £59.92 [^3]
- **Summary:** Wyze Lock attaches to your existing deadbolt and adds Wi‑Fi, Bluetooth and Zigbee connectivity (via the included Wyze Gateway) for remote control, auto‑unlock, and advanced auto‑lock using door position sensing. It runs on 4 AA batteries (about 5-6 months typical), supports shared access and activity history in the Wyze app, and works with Alexa and Google Assistant. Suited for homeowners who want remote access and smart home integrations on a budget.
- **Ideal For:** Ideal for the question because it is one of the quietest smart locks reported in reviews and product pages, with a compact motorized add‑on design and a short BLE unlock action (BLE range ~16 ft/4.9 m) and battery‑powered motor that reviewers noted is much quieter than many competitors.

### Schlage Schlage Encode Plus BE489ZP CAM 619
```yaml
product: schlage-schlage-encode-plus-be489zp-cam-619
brand: Schlage
price_gbp: null
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: true
lock_type: Deadbolt
auto_unlock: false
battery_life: 6
connectivity: WiFi, Bluetooth
smart_home_compatibility: Apple HomeKit, Amazon Alexa, Google Assistant
```

- **Price:** £None [^4]
- **Summary:** The Schlage Encode Plus BE489ZP CAM 619 is a battery-powered smart deadbolt with built-in WiFi and Bluetooth, a touchscreen keypad, and support for Apple home keys. It offers up to 100 access codes, a built-in alarm for forced-entry detection, and integration with voice assistants for remote control and monitoring. It suits users who want direct WiFi connectivity and strong Apple HomeKit integration without extra hubs.
- **Ideal For:** Suitable for quiet-lock comparisons because it uses a standard motorized deadbolt action with keypad (no noisy external bolt mechanisms) and offers typical battery operation lasting up to 6 months.

### Schlage Schlage Encode Plus BE489WB CAM 716
```yaml
product: schlage-schlage-encode-plus-be489wb-cam-716
brand: Schlage
price_gbp: 233.17
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Touchscreen keypad
lock_type: Electronic deadbolt
auto_unlock: Tap to unlock with Apple home keys
battery_life: 6
connectivity: Wi‑Fi and Bluetooth
smart_home_compatibility: Apple HomeKit, Apple home keys, Amazon Alexa, Google Assistant
```

- **Price:** £233.17 [^5]
- **Summary:** Schlage Encode Plus is a battery‑operated electronic deadbolt with built‑in Wi‑Fi and Bluetooth for remote control and local tap unlock with Apple home keys. It supports up to 100 access codes, has a built‑in alarm and works with major voice assistants and HomeKit. It suits users who want high security ratings and direct Wi‑Fi control without extra hubs.
- **Ideal For:** Ideal for quiet‑lock comparisons because it offers motorized electronic deadbolt operation with battery power and a touchscreen (no loud keyed turns) and supports tap‑to‑unlock via Apple home keys.

### August August Wi-Fi Smart Lock (4th Gen)
```yaml
product: august-august-wi-fi-smart-lock-4th-gen
brand: August
price_gbp: 149.83
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Optional (sold separately as Yale Keypad bundle)
lock_type: Electronic deadbolt (retrofits existing single-cylinder deadbolt)
auto_unlock: true
battery_life: 3
connectivity: Wi-Fi (built-in), Bluetooth
smart_home_compatibility: Amazon Alexa, Google Assistant, Apple HomeKit (Siri)
```

- **Price:** £149.83 [^6]
- **Summary:** The August Wi‑Fi Smart Lock (4th Gen) retrofits over an existing single‑cylinder deadbolt and includes built‑in Wi‑Fi and Bluetooth for remote control without a bridge. It offers Auto‑Lock and Auto‑Unlock, DoorSense, activity logs, and works with Alexa, Google Assistant, and Apple HomeKit, suited for users wanting easy install and remote access. 
- **Ideal For:** Ideal for people seeking a very quiet smart lock because it attaches to an existing deadbolt (maintaining mechanical parts) and uses electronic actuation with Auto‑Unlock and a compact motorized retrofit design, reducing noisy full deadbolt replacements.

### Aqara Aqara Smart Lock U100
```yaml
product: aqara-aqara-smart-lock-u100
brand: Aqara
price_gbp: 127.35
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
lock_type: Deadbolt (replaces existing deadbolt)
auto_unlock: true
battery_life: 4
connectivity: Wi-Fi, Bluetooth
bluetooth_range: 4.9
smart_home_compatibility: Amazon Alexa, Google Assistant, Wyze app
```

- **Price:** £127.35 [^7]
- **Summary:** The Yale Assure Lock 2 is a smart deadbolt available in keyed and key-free variants with touchscreen or pushbutton keypads, built-in Bluetooth and optional Wi‑Fi/Z-Wave/Matter via modules, DoorSense sensor, auto-lock and auto-unlock, and support for major smart-home platforms. It uses four AA batteries and offers biometric and Apple Home Key options on higher-end models, making it a flexible choice for modern homes.
- **Ideal For:** Suitable for the quietest smart door locks question because it is a full deadbolt with internal motorized locking (not a loud retrofit thumb-turn add-on), Bluetooth-based auto-unlock, and multiple connectivity options that let you avoid noisy mechanical operation when using app or biometric entry.

### Level Level Lock Pro (SLP-1)
```yaml
product: level-level-lock-pro-slp-1
brand: Level
price_gbp: 261.47
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
lock_type: Deadbolt (replaces existing deadbolt)
auto_unlock: true
battery_life: 4
connectivity: Wi-Fi, Bluetooth
bluetooth_range: 4.9
smart_home_compatibility: Amazon Alexa, Google Assistant, Wyze app
```

- **Price:** £261.47 [^8]
- **Summary:** The August Wi‑Fi Smart Lock (4th Gen) retrofits over an existing single‑cylinder deadbolt and includes built‑in Wi‑Fi and Bluetooth for remote control without a bridge. It offers Auto‑Lock and Auto‑Unlock, DoorSense, activity logs, and works with Alexa, Google Assistant, and Apple HomeKit, suited for users wanting easy install and remote access. 
- **Ideal For:** Ideal for people seeking a very quiet smart lock because it attaches to an existing deadbolt (maintaining mechanical parts) and uses electronic actuation with Auto‑Unlock and a compact motorized retrofit design, reducing noisy full deadbolt replacements.

---
## References & Sources
[^1]: Best Buy, accessed 2026-06-10. https://www.bestbuy.com/product/yale-assure-lock-2-smart-lock-wi-fi-deadbolt-with-touchscreen-keypad--fingerprint-access-black-suede/J7684KXPLY
[^2]: Home Depot, accessed 2026-06-10. https://www.homedepot.com/p/Wyze-Lock-WY-LK03/
[^3]: Home Depot, accessed 2026-06-10. https://www.homedepot.com/p/Wyze-Smart-Lock-Fingerprint-Keyless-Entry-Bluetooth-Deadbolt-Replacement-In-App-Monitoring-and-Scheduled-Access-WLCKB1/320791492
[^4]: Lowe's, accessed 2026-06-10. https://www.lowes.com/pd/Schlage-Encode-Plus-Camelot-Satin-Nickel-Wifi-Bluetooth-Electronic-Deadbolt-Lighted-Keypad-Touchscreen-Smart-Lock/5014110875
[^5]: Home Depot (Camelot trim), accessed 2026-06-10. https://www.homedepot.com/p/Schlage-Camelot-Aged-Bronze-Encode-Smart-WiFi-Lock-with-Alarm-BE489WB-V-CAM-716/308709983
[^6]: Lowe's, accessed 2026-06-10. https://www.lowes.com/pd/August-Wi-Fi-Smart-Lock-Silver/1003164106
[^7]: Best Buy, accessed 2026-06-10. https://www.bestbuy.com/product/aqara-smart-lock-u100-kit-fingerprint-keyless-door-lock-with-apple-home-key-unlocking-extra-hub-and-nfc-card-included-silver/JJ8RHCJJ5R/sku/6568834
[^8]: PCWorld (buy link to Level), accessed 2026-06-10. https://www.pcworld.com/article/2887364/level-lock-pro-review.html