# Which smart door lock offers the best value for money? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which smart door lock offers the best value for money?

## Products

### Aqara Aqara Smart Lock U200
```yaml
product: aqara-aqara-smart-lock-u200
brand: Aqara
price_gbp: 96.8
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Yes (wireless exterior keypad, PIN and fingerprint on keypad)
auto_unlock: Yes (proximity/auto lock via gyroscope)
battery_life: 6
connectivity: Bluetooth, Thread, Matter
voice_control: Yes (Siri, Google Assistant, Alexa via Matter)
smartphone_compatibility: Aqara Home app, Apple Home (HomeKey), Google Home, Amazon Alexa, Samsung SmartThings
```

- **Price:** £96.8 [^1]
- **Summary:** The Aqara U200 is a retrofit smart deadbolt offering Matter over Thread, multiple unlock methods (fingerprint, PIN keypad, NFC, Home Key, Bluetooth) and a rechargeable Li‑ion battery with about six months runtime. It suits users wanting broad smart‑home integration and flexible unlocking without replacing existing exterior hardware.
- **Ideal For:** Good value for money because it combines Matter/Thread compatibility, multiple local unlock methods (fingerprint, PIN, NFC), and a rechargeable battery rated for 6 months.
- **Additional Sources:** [^2], [^3], [^1], [^2], [^3]

### Nest Nest x Yale Lock
```yaml
product: nest-nest-x-yale-lock
brand: Nest
price_gbp: 185.54
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Yes (touchscreen keypad, passcodes up to 20)
auto_unlock: No (does not auto-unlock when approaching)
battery_life: 12
connectivity: Wi‑Fi via Nest Connect, Bluetooth Low Energy
voice_control: Google Assistant (lock status and lock command; cannot unlock by voice)
smartphone_compatibility: iOS and Android (Nest app)
```

- **Price:** £185.54 [^4]
- **Summary:** The Nest x Yale Lock is a keyless smart deadbolt with a touchscreen keypad, app control via Nest Connect for remote access, and integration with Google Assistant. It runs on 4 AA batteries (about 12 months typical life), supports up to 20 unique passcodes, and is designed for homeowners invested in the Nest ecosystem.
- **Ideal For:** Ideal for value-conscious buyers who want secure, app-controlled access with long battery life and a keypad (4 AA batteries ~12 months, remote Wi‑Fi control via Nest Connect).
- **Additional Sources:** [^5], [^4], [^5]

### Schlage Schlage Encode Plus Smart Wi-Fi Deadbolt BE479ZP CAM 619
```yaml
product: schlage-schlage-encode-plus-smart-wi-fi-deadbolt-be479zp-cam-619
brand: Schlage
price_gbp: 225.03
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Touchscreen keypad (up to 100 access codes)
auto_unlock: Tap to unlock with Apple Home key (iPhone or Apple Watch)
battery_life: 6
connectivity: Wi-Fi, Bluetooth
voice_control: Amazon Alexa, Google Assistant
smartphone_compatibility: Schlage Home app, Apple HomeKit, Apple Home key (iPhone, Apple Watch), Amazon Alexa, Google Assistant
```

- **Price:** £225.03 [^6]
- **Summary:** Built-in Wi‑Fi and Bluetooth smart deadbolt with touchscreen keypad, Apple HomeKit tap-to-unlock, and voice assistant support. Uses four AA batteries with up to six months typical battery life and supports up to 100 access codes; suited for homeowners wanting broad smart‑home compatibility and secure remote access.
- **Ideal For:** Good value for money because it combines built‑in Wi‑Fi, Apple HomeKit tap‑to‑unlock, voice assistant support, and 100 access codes in one lock.
- **Additional Sources:** [^7], [^8], [^6], [^7], [^8]

---
## References & Sources
[^1]: Aqara (official store), accessed 2026-06-16. https://us.aqara.com/products/smart-lock-u200
[^2]: Everything Smart Technology, accessed 2026-06-16. https://shop.everythingsmart.io/products/aqara-smart-lock-u200-kit
[^3]: Everything Smart (EU) / Domo-Supply listing, accessed 2026-06-16. https://www.domo-supply.com/en/connected-locks/aqara-smart-lock-u200-lite-kit-black
[^4]: Google Store, accessed 2026-06-16. https://store.google.com/product/nest_x_yale_lock?hl=en-US
[^5]: Best Buy, accessed 2026-06-16. https://www.bestbuy.com/site/nest-x-yale-lock/
[^6]: Schlage (official), accessed 2026-06-16. https://www.schlage.com/en/home/products/BE499WBCAMFFF.html
[^7]: Lowe's, accessed 2026-06-16. https://www.lowes.com/pd/Schlage-Encode-Plus-Century-Satin-Nickel-Wifi-Bluetooth-Electronic-Deadbolt-Lighted-Keypad-Touchscreen-Smart-Lock/5014110889
[^8]: The Home Depot, accessed 2026-06-16. https://www.homedepot.com/p/Schlage-Century-Satin-Nickel-Encode-Plus-Smart-WiFi-Deadbolt-and-Handleset-Grip-with-Latitude-Door-Handle-and-Century-Trim-BE499WB-V-CEN-619-FE285-G-CEN-619-LATCEN/330508296