Sifely Smart Lock
Score: 78/100
Kwikset SmartCode 917 Satin Nickel
Score: 80/100Rankings
The Kwikset SmartCode 917 is a residential electronic lever lock designed for keyless entry with exceptional battery life and Grade 2 security. It lacks smart home integration and remote access, which is a trade-off for users seeking app-based control. It is best suited for homeowners who want keyless entry without smart-home headaches or app dependency.
The Sifely Keyless Entry Fingerprint Smart Door Lock is a lever-style smart lock designed to retrofit standard residential doors without drilling. It offers five to six unlock methods including fingerprint, keypad, key cards, fobs, and physical keys, with optional remote access via a separate Wi-Fi gateway. It is best suited for indoor or sheltered exterior doors and multi-user households.
| Attribute | | |
|---|---|---|
12 months | 36 monthsbest | |
1 yearsbest | — | |
2 inchesbest | 1.75 inches | |
2.75 inchesbest | 2.75 inchesbest | |
158 °Fbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Power & Battery(2) | ||
Battery Life (months) | 12 months | 36 months |
Battery Type | AA | 9V Alkaline |
Support & Warranty(1) | ||
Warranty Length (years) | 1 years | Lifetime (Mechanical/Finish), 1 (Electronics) years |
Security & Access(4) | ||
Security Grade | Grade 2 / AAA | |
Unlock Methods | Fingerprint, Keypad, Key Fob, Card, App, Key | Keypad, Key |
Keypad Type | Keypad | Numeric Backlit |
Encryption Standard | White-box | SmartKey |
Installation & Compatibility(3) | ||
Door Thickness Compatibility (inches) | 1.3125-2 inches | 1.75 inches |
Backset (inches) | 2.375-2.75 inches | 2.375 or 2.75 inches |
Installation Type | DIY | Lever Deadbolt |
Connectivity & Smart Features(2) | ||
Smart Home Integration | Alexa, Google Assistant | None |
Wi-Fi Standard | Optional | |
Build & Durability(3) | ||
Material | Zinc Alloy | |
Operating Temperature (°F) | 14-158 °F | °F |
Finish | Matte Black | Satin Nickel |
Products in the top-left offer the best value (high score, low price).
Professional reviewers position the Sifely keyless fingerprint lock as a budget-friendly, easy-install option with strong suitability for indoor, family, and light exterior use. They caution against relying on it in consistently harsh outdoor conditions or for users with very high-moisture or dirt-prone environments, noting that fingerprint reliability under wet conditions is less stable than higher-end competitors.
Everyday users tend to rate this lock highly for interior use and protected entry doors, praising its ease of installation and value for money. The main caveats reported by consumers are conditional grip on fingerprint recognition when hands are wet or dirty, and the need for a gateway to enable full remote features.
“much better than expected for the price”
“love the fingerprint unlock indoors; it becomes a habitual, quick method”
“short video guide and clear markings made replacement of their old lock very simple”
Professional reviewers consistently highlight the Kwikset SmartCode 917's exceptional battery life and simplicity as its top strengths. The Grade 2/AAA BHMA rating and SmartKey security features are repeatedly cited as making it a secure, residential-grade choice compared to cheaper keypads.
Everyday users generally praise the lock's reliability, aesthetics, and ease of programming, noting that the 9 V battery truly lasts multiple years. The auto-lock mode and SmartKey convenience are frequently appreciated for their practicality in homes and rentals. However, recurring complaints focus on the lack of app connectivity, the restrictive first-4-digit code logic, and the absence of entry logs.
