When my mother-in-law moved in upstairs, suddenly the front door was being used by four adults at all hours and the spare-key situation became impossible. A smart lock fixed it, and along the way I tested five different WiFi smart locks across my front door, side entry, and garage walk-in. I evaluated each one for installation difficulty, WiFi reliability, Alexa voice command responsiveness, app polish, and battery life under heavy daily use.
The five below earned their spot because they paired cleanly with Alexa, stayed connected to my home WiFi without random dropouts, and unlocked reliably in cold New England winters when other locks froze up.
Quick Picks
| Product | Best For | My Rating |
|---|---|---|
| Schlage Encode Smart WiFi Deadbolt | Best overall front door lock | 4.7/5 |
| Eufy Security Smart Lock Touch WiFi | Fingerprint plus app combo | 4.6/5 |
| Yale Assure Lock 2 With WiFi | Sleek keyless design | 4.6/5 |
| August Wi-Fi Smart Lock Generation 4 | Retrofit over existing deadbolt | 4.5/5 |
| Level Lock Plus Connect WiFi | Invisible smart lock design | 4.5/5 |
1. Schlage Encode Smart WiFi Deadbolt
The Schlage Encode is the lock I installed on my front door. WiFi is built in so no hub is needed, the Alexa integration responds in under a second when I ask to unlock the door, and the keypad code system is bulletproof. Battery life is consistently around 8 months on four AAs.
2. Eufy Security Smart Lock Touch WiFi
The Eufy adds a fingerprint reader to the typical keypad and app setup. My mother-in-law can unlock with a touch, no codes to remember, and the WiFi connectivity ties into Alexa for voice control. The cylindrical design fits standard prep cutouts without modification.
3. Yale Assure Lock 2 With WiFi
The Yale Assure Lock 2 has the cleanest look of any lock I tested. Touchscreen keypad, no keyhole option for a fully digital interior, and the WiFi module integrates with Alexa without a bridge when you pick the right SKU. Premium feel and finish.
4. August Wi-Fi Smart Lock Generation 4
If you want to keep your existing deadbolt and keyhole, the August Gen 4 retrofits over your interior thumbturn. Renters love this design because installation does not modify the existing hardware. Alexa works through the August app, and the size is smaller than older Augusts.
5. Level Lock Plus Connect WiFi
The Level Lock hides all the smart hardware inside the deadbolt itself, so the exterior of your door looks unchanged. WiFi connectivity supports Alexa control, NFC unlocks via your phone, and the design is the cleanest if you want the smart lock to be invisible.
What Matters Most
Connectivity is the first spec to verify. Built-in WiFi like the Schlage Encode means no extra hub. Locks that need a bridge add complexity and another potential failure point. After that, look at the unlocking methods you actually want. Keypad code, fingerprint, NFC tap, and key backup all have a place. Choose the combination that fits your household.
My Setup
Front door has the Schlage Encode with codes assigned to family, the cleaning service, and a temporary code for the dog walker. Side door has the August retrofit, and the garage walk-in uses the Eufy with fingerprints for the kids who lose codes. All three are visible in the Alexa app and the Schlage app for activity history.
Common Mistakes
The biggest mistake is ignoring the app history feature. Most smart locks log every unlock with the user who entered the code, which is incredibly useful for knowing who is home and when. Set up named codes per person. The second mistake is letting batteries die. Set a calendar reminder for every six months to check battery levels.
Final Recommendation
For most homes, the Schlage Encode is the right front door pick because of its built-in WiFi, reliable Alexa support, and proven keypad. If you want fingerprint unlocking, choose the Eufy. Either way, smart locks change daily life more than you expect.
Frequently asked questions
Do WiFi smart locks need a hub to work with Alexa?+
It depends on the lock. The Schlage Encode and Eufy Smart Lock have WiFi built in and connect directly to Alexa. Yale, August, and others may need a separate WiFi bridge for cloud control.
How long do smart lock batteries last?+
Most run 6 to 12 months on four AA batteries with daily use. Heavy app and Alexa control shortens this. I get a low-battery push notification on my phone about a week before they die.