Access logs
P1
Product 1: Lockly Secure Plus Smart Lock
4.3
Reviewers who discussed logs liked the recordkeeping, citing accurate history entries and even a year of usable activity history.
P2
Product 2: eufy Video Smart Lock S330
4.8
Access logs were useful for seeing who came and went and which credential unlocked the door.
App
P1
Product 1: Lockly Secure Plus Smart Lock
4.2
The app was generally considered easy, clear, and responsive, though one review separated that from a difficult guest-code workflow.
P2
Product 2: eufy Video Smart Lock S330
4.6
The app was usually described as smooth, easy, useful, or user-friendly across reviews.
Auto-lock
P1
Product 1: Lockly Secure Plus Smart Lock
5.0
Auto-lock has limited but strong evidence, with PCMag reporting that the feature worked very well in testing.
P2
Product 2: eufy Video Smart Lock S330
4.3
Auto-lock was valued for peace of mind, though one reviewer cautioned against using timed auto-lock without reliable door-position awareness.
Battery
P1
Product 1: Lockly Secure Plus Smart Lock
4.5
Battery evidence is limited to one long-term review, but that reviewer called performance stellar after about a year of use.
P2
Product 2: eufy Video Smart Lock S330
4.4
Battery life was generally praised as long-lasting, though full charging can take several hours.
Build quality and durability
P1
Product 1: Lockly Secure Plus Smart Lock
4.4
Build quality was repeatedly praised as sturdy, well-built, strong, and rock solid.
P2
Product 2: eufy Video Smart Lock S330
4.8
Reviewers consistently praised the heavy, metal-feeling construction and durable build.
Camera and doorbell performance
P1Product 1: Lockly Secure Plus Smart Lock
No score yet
P2
Product 2: eufy Video Smart Lock S330
4.3
Camera and doorbell performance was generally strong, especially video clarity, but motion timing, distance, and visitor button clarity were recurring caveats.
Door compatibility (deadbolt fit)
P1
Product 1: Lockly Secure Plus Smart Lock
4.0
Compatibility evidence is positive but limited, with reviewers noting standard-door fit and successful single-doorknob replacement.
P2
Product 2: eufy Video Smart Lock S330
2.7
Door fit was context-dependent: some installations worked smoothly, while shallow strike plates, alignment, and size constraints caused problems.
Feature additions via updates
P1Product 1: Lockly Secure Plus Smart Lock
No score yet
P2
Product 2: eufy Video Smart Lock S330
4.5
A post-review feature addition impressed one long-term reviewer by making live-view unlocking more convenient.
Fingerprint
P1
Product 1: Lockly Secure Plus Smart Lock
4.7
Fingerprint access is the strongest feature across reviews, described as fast, accurate, responsive, effective, and unusually good.
P2
Product 2: eufy Video Smart Lock S330
4.4
Fingerprint performance was strongly positive in most reviews, but one reviewer had repeated failed reads.
Guest Codes and Access
P1
Product 1: Lockly Secure Plus Smart Lock
3.7
Guest access is mixed: several reviewers liked the flexible access options, while one found temporary-code delivery convoluted and buggy.
P2
Product 2: eufy Video Smart Lock S330
5.0
Guest access was a standout use case, with reviewers liking temporary access, contractor use, and removable access.
Hub requirement
P1
Product 1: Lockly Secure Plus Smart Lock
2.3
The hub requirement is a drawback because remote and voice features require added hardware and cost.
P2
Product 2: eufy Video Smart Lock S330
4.3
The required bridge/chime was viewed positively when it improved chime, storage, or camera-feed experience.
Industrial design
P1
Product 1: Lockly Secure Plus Smart Lock
3.6
Design opinions are mixed: reviewers liked the attractive, premium look, but several also called the lock large, bulky, or obvious.
P2
Product 2: eufy Video Smart Lock S330
4.0
Design was generally liked for its sleek or elegant look, though its large size stood out as a drawback.
Installation and Setup
P1
Product 1: Lockly Secure Plus Smart Lock
3.8
Installation is sharply mixed, ranging from simple, app-guided, and quick to unusually complicated and frustrating.
P2
Product 2: eufy Video Smart Lock S330
4.2
Installation was often described as easy or manageable, but door fit and alignment created trouble for some reviewers.
Keypad
P1
Product 1: Lockly Secure Plus Smart Lock
4.4
The keypad and PIN Genie concept were widely praised for security and usability, although one reviewer found the shifting layout disorienting.
P2
Product 2: eufy Video Smart Lock S330
4.3
Keypad and touchpad feedback was mostly positive, though one reviewer had wake-up/tap responsiveness issues.
Lock/unlock speed
P1
Product 1: Lockly Secure Plus Smart Lock
4.6
Lock and unlock speed was consistently positive, with instant app response or unlocks taking only a couple of seconds.
P2
Product 2: eufy Video Smart Lock S330
5.0
When working well, unlocking was described as instant or very fast, especially through fingerprint recognition.
Locking motor
P1
Product 1: Lockly Secure Plus Smart Lock
4.5
Motor evidence is limited, but PCMag praised the lock for relatively quiet operation.
P2
Product 2: eufy Video Smart Lock S330
3.5
Motor feedback was split: one long-term reviewer found it solid, while another warned that small alignment resistance could stop locking.
Locking reliability
P1
Product 1: Lockly Secure Plus Smart Lock
3.8
Locking reliability is mixed: some testing found smooth, great performance, while Digital Trends encountered unresolved calibration errors.
P2
Product 2: eufy Video Smart Lock S330
4.2
Reliability was mixed, ranging from flawless and better-than-prior locks to failures when alignment or one-touch locking was imperfect.
Notifications
P1
Product 1: Lockly Secure Plus Smart Lock
1.5
Notifications are a weakness in the limited evidence, with PCMag specifically missing push notification support.
P2
Product 2: eufy Video Smart Lock S330
4.0
Notifications were mostly praised as quick and useful, but some reviewers reported missed or delayed motion events.
Physical attack resistance
P1Product 1: Lockly Secure Plus Smart Lock
No score yet
P2
Product 2: eufy Video Smart Lock S330
4.5
Physical security impressions were positive, centered on wanting a sturdier alternative to flimsy plastic doorbells.
Remote access
P1
Product 1: Lockly Secure Plus Smart Lock
2.0
Remote access is a repeated limitation because the lock lacks built-in internet control and needs extra Wi-Fi hardware.
P2
Product 2: eufy Video Smart Lock S330
5.0
Remote access was a clear strength, with reviewers valuing lock control from the app while away.
Security features (encryption)
P1
Product 1: Lockly Secure Plus Smart Lock
4.3
Security evidence is positive, with praise for hack resistance and unusually comprehensive account-security setup.
P2
Product 2: eufy Video Smart Lock S330
3.5
Security/encryption evidence was limited but noted an encryption message before streaming, alongside privacy caution.
Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
P1
Product 1: Lockly Secure Plus Smart Lock
1.9
Smart-home integration is one of the clearest weaknesses, with repeated criticism of missing or limited platform support.
P2
Product 2: eufy Video Smart Lock S330
3.0
Smart-home integration was mixed because Alexa/Google support was useful, but reviewers noted the lack of Apple HomeKit, IFTTT, or Matter.
Touchscreen
P1
Product 1: Lockly Secure Plus Smart Lock
5.0
The touchscreen evidence is positive, with reviewers praising seamless operation and responsive keypad behavior.
P2
Product 2: eufy Video Smart Lock S330
3.8
Touchscreen feedback was split between responsive operation and needing repeated taps to wake it.
User access management
P1
Product 1: Lockly Secure Plus Smart Lock
3.5
User access management is mixed, combining flexible access options with one strong complaint about difficult PIN assignment.
P2
Product 2: eufy Video Smart Lock S330
5.0
User management evidence was positive, especially around quickly adding additional users.
Value and Price
P1
Product 1: Lockly Secure Plus Smart Lock
2.4
Value is a common concern because reviewers repeatedly describe the lock, hub path, or overall package as expensive.
P2
Product 2: eufy Video Smart Lock S330
4.2
Most reviewers considered the price fair for the combined lock, camera, doorbell, fingerprint, and no-extra-fee package.
Voice control
P1
Product 1: Lockly Secure Plus Smart Lock
2.0
Voice control is limited because it is not built in and depends on extra Wi-Fi hardware that reviewers criticized.
P2
Product 2: eufy Video Smart Lock S330
5.0
Voice control performed well in the one review that tested it directly.
Wi-Fi
P1
Product 1: Lockly Secure Plus Smart Lock
2.6
Wi-Fi is mixed: the lack of built-in Wi-Fi is criticized, but one review found hub-connected Wi-Fi response very fast.
P2
Product 2: eufy Video Smart Lock S330
5.0
Wi-Fi performance had limited but strong evidence, with one reviewer reporting no live-view latency.