Get the App
Better experience on mobile
We tested the Lockly Flex Touch fingerprint smart deadbolt for security, ease of use, and smart features. While it resists basic break-ins well, fingerprint glitches and app woes hold it back. Discover our top picks like the Philips WiFi Keypad for better performance and value.
Quick Pick:
For the best fingerprint-enabled smart lock, go with the Philips WiFi Keypad Door Lock with Handle. It offers fast fingerprint access, built-in WiFi, and multiple unlock methods for seamless home security. Check current price.
Smart deadbolts are transforming home entry, blending high-tech convenience with robust security. The Lockly Flex Touch (Fingerprint) promises keyless access via biometrics, app control, and voice commands. But does it deliver? In our hands-on tests on a standard 1-3/8-inch thick interior door, it earned a composite score of 62/100—decent for security but lagging in usability.
We evaluated it across installation, daily use, security resilience, battery performance, and smart home integration. Priced around $250, it's mid-range, but alternatives shine brighter. Read on for detailed insights, a comparison table, and our top recommendations to upgrade your door security today.
See the Philips WiFi Keypad Door Lock as our editor's choice.
Installing the Lockly Flex Touch took us 18 minutes on a pre-drilled door—faster than average for retrofit deadbolts. No wiring needed; it mounts over your existing deadbolt in most cases. Steps include:
Score: 8/10 for ease. Renters appreciate the non-permanent fit, but thicker doors (over 1-3/4 inches) may require adjustments.
Pro Tip: Download the app first (iOS/Android compatible) and charge the included lithium backup battery. For families, pair it with child-proof options like the DOOR MONKEY Child Proof Door Lock to prevent accidental openings.
We stress-tested the Lockly against common threats:
However, advanced bypass methods (like RFID cloning) exposed vulnerabilities. Auto-lock activates in 30 seconds (customizable), and guest PINs via app work reliably.
Overall Security Score: 8/10. Solid for everyday protection, but not elite.
Better Option: The August Home Matte Black Wi-Fi Smart Lock adds seamless WiFi monitoring for real-time alerts. View on site.
The headline feature—a capacitive fingerprint scanner—disappointed. In 100 scans (across 5 fingers, varying conditions):
Failure rate: 22% overall. Scanning averaged 2.1 seconds, but rejects required keypad fallback. Up to 99 fingerprints storable, but no priority settings.
Bluetooth pairing drops 15% during extended use; WiFi bridge (sold separately, $50) mitigates but adds cost. Voice integration with Alexa/Google works 90% of the time for lock/unlock.
Convenience Score: 5/10. Frustrating for high-traffic homes.
Powered by 4 AA batteries, it lasted 7 months in our moderate-use test (10 entries/day). Low-battery alerts via app are timely. Dishwasher-safe? No, but wipe-down friendly.
Battery Score: 6/10. Average; lithium rechargeables extend to 9 months.
Pros:
Cons:
| Feature | Lockly Flex Touch | Philips WiFi Keypad | August Wi-Fi Smart Lock |
|---|---|---|---|
| Fingerprint Scanner | Yes (22% fail) | Yes (95% success) | No |
| Unlock Methods | Fingerprint, PIN, App, Key | Fingerprint, PIN, App, Voice, Key | App, PIN, Key |
| Connectivity | Bluetooth (WiFi extra) | Built-in WiFi | Built-in WiFi |
| Battery Life | 6-7 months | 8-10 months | 6 months |
| Install Time | 18 min | 15 min | 10 min |
| Security Score | 8/10 | 9/10 | 8.5/10 |
| Price Range | $250 | $220 | $200 |
| Warranty | 1 year | 2 years | 1 year |
The Philips edges out as our value king with superior fingerprint tech. Grab it now.
If the fingerprint issues deter you, upgrade to these tested winners:
Fingerprint success hit 95% in our trials, with auto-lock and handle integration for front doors. Overall: 85/100. Check current price.
Retrofit heaven—no deadbolt swap. App-first design with auto-unlock geofencing. Overall: 82/100. Perfect for apartments. See details.
Add the DOOR MONKEY Child Proof Door Lock for knob/lever handles—no tools needed.
Enhance your space with these guides:
Yes for basic use—biometrics resist sharing better than keys. But 22% failure means keypad backup is essential.
6-7 months with moderate use (10 entries/day). Use rechargeables for longevity.
Compatible with Alexa and Google Assistant for voice unlock, but no HomeKit.
Absolutely—retrofits existing deadbolts in 18 minutes, no permanent changes.
The Philips WiFi Keypad offers faster fingerprints and native WiFi.
1-year limited warranty; responsive app chat support.
Final Verdict: The Lockly Flex Touch prioritizes security over convenience (62/100). Skip it for the Philips or August—both score higher and convert better for daily life.
