Shopping for the best smart locks gets easier once you separate convenient entry from the hardware your door actually needs. The main split is between a deadbolt-only replacement and a complete lock with a matching handle, so this suits homeowners, renters, and hosts choosing between models.
Pros
- Fingerprint access in under one second
- Built-in Wi-Fi, no bridge required
- Up to eight months with eight AA batteries
- BHMA Grade 3 certification
Cons
- Requires eight AA batteries
- IP53 protection, not fully waterproof
Pros
- Eight entry methods, including fingerprint and voice
- 0.2-second fingerprint recognition
- Built-in 2.4GHz Wi-Fi, no hub needed
- IP65 weatherproof matte black finish
Cons
- Requires eight AA batteries, not included
- Supports 2.4GHz Wi-Fi only
Pros
- Built-in Wi-Fi, no hub required
- 0.2-second fingerprint entry
- IP65 weatherproof, ANSI Grade 3
- Remote codes, logs, and security alerts
Cons
- Eight batteries required, not included
- Two-year warranty requires product registration
Pros
- Fingerprint, passcode, app, key, and voice entry
- Built-in Wi-Fi, no extra hub needed
- Up to 100 custom passcodes
- Auto-lock adjustable from 10 to 180 seconds
Cons
- Batteries not included
- Supports 2.4GHz Wi-Fi only
Pros
- Built-in WiFi, no hub required
- Fingerprint entry in 0.3 seconds
- One-time and recurring PIN codes
- Matching handle set included
Cons
- Requires 2.4GHz WiFi within 33 feet
- Batteries not included, alkaline only
Pros
- AI-powered fingerprint entry
- Built-in Wi-Fi, no extra hub
- ANSI Grade 1 security rating
- Works with Alexa and Google Assistant
Cons
- 2.4GHz Wi-Fi only
- Smartphone app required for remote access
Match the Lock to Your Door
Start by checking whether your existing deadbolt works with a replacement interior and exterior assembly. The eufy Security Smart Lock C220 is designed for most standard deadbolts and can fit bores under 54mm after removing its spacer. Several other models specify standard US doors, but a handle-set model may be the better choice when the existing lever is worn or mismatched.
A deadbolt-only product keeps the installation focused on one part of the door. The Philips WiFi Keypad Deadbolt with Handle includes a matching handle set, which may simplify a front-door upgrade when you want coordinated hardware rather than a separate lever purchase. Before ordering, check door thickness, bore dimensions, backset, and swing direction.
Door alignment matters as much as the electronic features. The bolt should move freely with the door closed, and the strike plate must line up without forcing the motor. For extra background, see why the strike plate matters.
Before You Mount It: A motorized lock cannot compensate for a binding door. Correct the latch and strike alignment first, and keep a physical key available as a backup.
Choose Entry Methods for Your Household
Fingerprint access is useful for residents who do not want to carry keys. The Veise VE027 WiFi Smart Lock Fingerprint Keyless and Veise VE027-K offer fast fingerprint entry, while the eufy Security Smart Lock C220 adds app, keypad, physical key, smartwatch, and voice options. More methods can help a busy household, but they also mean more user settings to manage.
For guests, cleaners, or short-term access, app-managed codes are more practical than sharing a physical key. The Veise VE027-K supports permanent, scheduled, one-time, and expiring digital keys, while the Philips Wi-Fi Smart Deadbolt Lock supports custom passcodes plus one-time and scheduled codes.
| Entry style | Useful feature | Best fit |
|---|---|---|
| Fingerprint | Fast daily access | Family households |
| Scheduled codes | Time-limited entry | Guests or rentals |
| Handle set | Complete hardware | Door upgrades |
Voice control works with Alexa or Google Assistant on several models, but it should complement rather than replace a code, fingerprint, or key. If you are weighing a spare key against app access, review key lock boxes versus smart locks.
Check Wi-Fi, Batteries, and Security Ratings
Built-in Wi-Fi means these locks can manage access remotely without a separate bridge, but the listed models use 2.4GHz networks. The Philips WiFi Keypad Deadbolt with Handle recommends keeping the lock within 33 feet of the router, while the Philips Wi-Fi Smart Deadbolt Lock notes a 65-foot range for better remote control.
Battery planning is easy to overlook. The eufy Security Smart Lock C220 lists up to eight months from eight AA batteries, the Veise VE027-K lists up to 240 days, and the Philips WiFi Keypad Deadbolt with Handle lists up to six months. Batteries are not included with several models, so confirm the required alkaline format and pay attention to low-battery alerts.
Expert Examined
From Ray Okafor

I keep a physical key stored somewhere accessible outside the home, but not beside the door. The mistake I see is treating automatic locking as a substitute for checking alignment, battery status, and emergency entry before relying on the lock every day.
Read more about Ray OkaforSecurity grades provide useful context, not a promise that every installation is equally strong. ULTRALOQ U-Bolt Pro WiFi Fingerprint Smart Lock carries an ANSI Grade 1 rating, while multiple other models specify BHMA or ANSI Grade 3. UL Solutions explains how standards and certification help identify evaluated product performance, so check the exact rating instead of assuming all smart locks offer the same physical protection.
Pro Tip: Set a recurring reminder to inspect battery status, confirm the bolt extends fully, and review access logs after adding or removing a household user.
Which Lock Fits Your Home
I would point you to ULTRALOQ U-Bolt Pro WiFi Fingerprint Smart Lock for a homeowner who wants the strongest stated hardware rating among these choices, plus a door sensor, approach-based automatic entry, and broad smart-home support. Its ANSI Grade 1 rating and IP65 exterior rating suit buyers prioritizing durability and status awareness.
I would choose eufy Security Smart Lock C220 for someone already using eufy devices or wanting a simpler deadbolt replacement with built-in Wi-Fi. Its fingerprint, app, keypad, physical key, smartwatch, and voice options give a household many ways to enter without adding a bridge.
For a rental, guest-heavy home, or family managing many codes, I would consider Veise VE027-K WiFi Smart Deadbolt Locks with 2. Its scheduled and expiring keys, access logs, fingerprint storage, automatic locking, and included two-knob set make it particularly practical when access changes often.
The Bottom Line
The mistake most buyers make is comparing fingerprint speed before confirming the door hardware, Wi-Fi location, and battery requirements. A fast lock still creates trouble if the bolt binds, the router signal is weak, or the interior handle does not suit the existing door.
If you do one thing first, measure the door and inspect the current deadbolt and strike alignment. Then choose between a deadbolt-only model and a complete handle set before weighing fingerprints, codes, voice control, or remote access.
FAQs
Fingerprint access is convenient for regular residents, while keypad access is easier to share with guests and service providers. A model offering both gives you flexibility, but you should still keep a physical key available for backup entry. Install it on a compatible exterior door with a properly aligned strike plate and a freely moving bolt. Check the product’s Wi-Fi distance guidance and use a supported 2.4GHz network where required. Battery life varies with usage and model. Check the stated battery estimate, use the recommended alkaline batteries, watch app alerts, and replace batteries before they are fully depleted. ANSI grades indicate different levels of performance under the applicable door hardware standard. Grade 1 represents the higher rating among these products, while Grade 3 is still a stated residential hardware classification.Are fingerprint smart locks better than keypad locks?
Where should a Wi-Fi smart lock be installed?
How often do smart lock batteries need replacing?
What does ANSI Grade 1 or Grade 3 mean?
Sources
- UL Solutions and product safety standards. www.ul.com
- U.S. Consumer Product Safety Commission and home safety information. www.cpsc.gov
