Yale Assure SL Black Suede
Score: 78/100
Ultraloq U-Bolt
Score: 85/100Rankings
The Ultraloq U-Bolt Pro is a versatile, Grade 1 certified smart deadbolt featuring built-in WiFi and an impressive 8-in-1 entry method suite. Its main trade-offs are the high battery consumption from WiFi connectivity and the limitation to 2.4GHz networks. It is ideal for tech-savvy homeowners and Airbnb hosts who need robust remote access and door-ajar alerts.
The Yale Assure SL is a versatile smart deadbolt featuring built-in Wi-Fi and a touchscreen keypad, ideal for retrofitting standard doors. Its main drawback is the reliance on disposable AA batteries which require frequent replacement. It is best suited for homeowners who want immediate remote access without purchasing additional connectivity hubs.
| Attribute | | |
|---|---|---|
6 monthsbest | 4.5 months | |
35 mm | 40 mmbest | |
60 mmbest | 60 mmbest | |
-25 °C | -20 °Cbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity & Smart Home(2) | ||
Smart Home Compatibility | Alexa, Google, Siri, SmartThings, Hubitat | Alexa, Google Assistant, SmartThings, IFTTT |
Voice Assistant Support | Alexa, Google, Siri | Alexa, Google Assistant |
Access & Security(4) | ||
Encryption Standard | EN 61000.6.3 | 128-bit AES |
Unlock Methods | Keypad, App, Voice, Auto-unlock | App, Fingerprint, Keypad, NFC, Physical Key, Voice, Web Portal |
Fingerprint Recognition Speed (seconds) | null seconds | seconds |
Alarms | true | |
Durability & Environment(2) | ||
IP Rating | IP54 | IP65 |
Operating Temperature (°C) | -25 to 60 °C | -20 to 65 °C |
Power & Battery(3) | ||
Battery Life (months) | 6 months | 3-6 months |
Power Source | 4 x AA Alkaline | 8x AA Alkaline |
Low Battery Indicator | true | |
Physical & Installation(3) | ||
Door Thickness Compatibility (mm) | 35-57 mm | 35-45 mm |
Backset (mm) | 60-70 mm | 60 or 70 mm |
Installation Type | Retrofit | DIY No-Drill |
Support & Service(1) | ||
Warranty | Lifetime Mechanical / 1 Year Electronics | 1.5 |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the Yale Assure Lock SL as a popular and reliable deadbolt for home automation, noting its versatility across platforms like August, SmartThings, and Hubitat.
Everyday users generally praise the convenience of keyless entry, the ease of installation, and the reliability of the app and voice assistant integration.
“Engineering excellence”
TechHive and the Ultraloq community praise the U-Bolt Pro for its healthy facelift and improved auto-unlock geofencing over previous models. Reviewers highlight the configurable auto-lock feature using the door sensor and the plentiful features that balance security with convenience. The product is considered a flagship for user-friendliness, particularly due to its built-in WiFi, Bluetooth, and door sensor capabilities that fit standard doors with a quick, no-drill install.
Everyday users generally praise the simple app navigation, reliable remote control, and door alerts. There is strong appreciation for the IP65 durability and BHMA certification, which contribute to a sense of security. Users value the versatility of having multiple entry methods like fingerprint, app, and keypad. While complaints are scarce, some users note the limitation of WiFi-only connectivity and potential battery life concerns.
