Average score
eufy FamiLock S3 Max Smart Lock
4.2
Lockin Veno Pro Smart Deadbolt Lock
4.3
Hub requirement
eufy FamiLock S3 Max Smart Lock
2.7
HomeBase dependence was a downside when reviewers wanted facial recognition or the most advanced alerts.
Lockin Veno Pro Smart Deadbolt Lock
5.0
Hub requirement is a strength for local AI and recording features, with one reviewer noting no hub or subscription is needed.
Keyway quality
eufy FamiLock S3 Max Smart Lock
2.8
The hidden keyway cover was the weakest physical detail, with one reviewer finding it hard to reseat securely.
Lockin Veno Pro Smart Deadbolt Lock
4.5
Keyway quality gets positive evidence from a reviewer who found the concealed keyhole easy to access compared with other locks.
Locking reliability
eufy FamiLock S3 Max Smart Lock
5.0
Locking reliability was consistently strong in the reviews that tested repeated lock/unlock behavior and routines.
Lockin Veno Pro Smart Deadbolt Lock
4.3
Locking reliability is split: several reviewers describe a secure, solid-performing lock, while one review said it felt too immature to trust fully.
Door-sense
eufy FamiLock S3 Max Smart Lock
3.8
Door-sense received qualified praise because it can infer door state without a separate sensor, though with some edge-case caveats.
Lockin Veno Pro Smart Deadbolt Lock
4.5
Door-sense is a clear strength, with reviewers praising the hidden sensor and the ability to know whether the door is actually closed.
Weather resistance
eufy FamiLock S3 Max Smart Lock
4.2
Weather resistance received limited but positive support tied to the lock’s durable construction for harsh conditions.
Lockin Veno Pro Smart Deadbolt Lock
4.8
Weather resistance receives positive support from reviewers who cited all-weather reliability or real-month use through rain, cool mornings, and dust.
Security features (encryption)
eufy FamiLock S3 Max Smart Lock
4.5
Security encryption evidence was limited but positive, centered on the encrypted lock cylinder adding protection.
Lockin Veno Pro Smart Deadbolt Lock
5.0
Security and privacy features are a major strength in positive reviews, especially local processing, P2P transmission, and no cloud dependency.
Industrial design
eufy FamiLock S3 Max Smart Lock
4.2
Industrial design was seen as modern and premium, though several reviewers noted that the lock is large or visually high-tech.
Lockin Veno Pro Smart Deadbolt Lock
3.8
Industrial design is mixed: some reviewers loved the polished look and clean design, while others found the lock or solar panel bulky and unattractive.
Wi-Fi
eufy FamiLock S3 Max Smart Lock
4.6
Wi-Fi performance was positive overall, with quick setup, steady connectivity, and claimed responsiveness from Wi-Fi 6 support.
Lockin Veno Pro Smart Deadbolt Lock
5.0
Wi-Fi setup receives limited but positive evidence from a reviewer who said the lock connected immediately.
Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
eufy FamiLock S3 Max Smart Lock
3.5
Smart-home integration was the most split area: basic Matter, Alexa, Google, and HomeKit control worked, but advanced lock, camera, and palm features often stayed inside Eufy.
Lockin Veno Pro Smart Deadbolt Lock
3.9
Smart-home integration is broadly supported across Matter and major platforms, but several reviewers found third-party control limited or messy.
Keypad
eufy FamiLock S3 Max Smart Lock
4.5
The keypad was generally praised as responsive, visible, and easy to use, with scramble-code support helping privacy.
Lockin Veno Pro Smart Deadbolt Lock
4.1
Keypad feedback is mostly positive for responsiveness, backlighting, and easy code access, but one reviewer found the outside lock button hard to discover.
Physical attack resistance
eufy FamiLock S3 Max Smart Lock
4.4
Physical attack resistance had limited but positive evidence, with reviewers pointing to solid construction and tough security design.
Lockin Veno Pro Smart Deadbolt Lock
4.0
Physical attack resistance has limited positive support through residential durability language tied to the lock’s certification and construction.
User access management
eufy FamiLock S3 Max Smart Lock
4.5
User access management was praised for making family access easy and supporting different time slots.
Lockin Veno Pro Smart Deadbolt Lock
4.2
User access management is useful for families, but one review criticized the lack of partial access controls for regular users.
Value and Price
eufy FamiLock S3 Max Smart Lock
3.7
Value was mixed: reviewers repeatedly called it expensive, but some felt the all-in-one lock, camera, and doorbell package justified the premium.
Lockin Veno Pro Smart Deadbolt Lock
4.0
Value is mixed: reviewers appreciate the two-in-one design, discounted pricing, and no monthly fees, but some still consider it expensive.
Finish durability
eufy FamiLock S3 Max Smart Lock
4.2
Finish durability was only lightly covered, but one reviewer said the black metal casing still looked good after use.
Lockin Veno Pro Smart Deadbolt Lock
4.5
Finish durability is supported by praise for fingerprint resistance and a smudge-free reinforced glass touchscreen.
Key override reliability
eufy FamiLock S3 Max Smart Lock
4.2
Reviewers treated the physical key override as a useful fallback for emergencies or users who prefer non-smart access.
Lockin Veno Pro Smart Deadbolt Lock
4.5
Key override reliability is supported by a reviewer noting the regular key remains a reliable fallback.
Build quality and durability
eufy FamiLock S3 Max Smart Lock
4.7
Build quality drew strong praise, with reviewers describing the lock as robust, durable, and safe-like despite its size.
Lockin Veno Pro Smart Deadbolt Lock
4.4
Build quality is usually praised as solid, polished, or well-made, but one review criticized hardware machining during installation.
Installation and Setup
eufy FamiLock S3 Max Smart Lock
4.3
Reviewers generally found setup straightforward and app-guided, though one pre-release unit caused connection and install friction.
Lockin Veno Pro Smart Deadbolt Lock
4.6
Most reviewers found installation quick or easy, often around 10 to 15 minutes, though one reviewer had a very poor experience with bolts and assembly.
Remote access
eufy FamiLock S3 Max Smart Lock
4.5
Remote access had limited evidence but was described as quick and reliable.
Lockin Veno Pro Smart Deadbolt Lock
4.8
Remote access is praised for convenient app control and seamless management from anywhere.
Touchscreen
eufy FamiLock S3 Max Smart Lock
5.0
Touchscreen/keypad usability was supported by positive comments about responsiveness and backlighting.
Lockin Veno Pro Smart Deadbolt Lock
4.8
Touchscreen evidence is positive, with praise for responsiveness and a smudge-free reinforced glass surface.
Notifications
eufy FamiLock S3 Max Smart Lock
4.5
Motion and doorbell notifications were mostly praised for speed and accuracy, with one reviewer noting a small delay.
Lockin Veno Pro Smart Deadbolt Lock
4.7
Notifications are generally fast, useful, and customizable, though one reviewer disliked the all-or-nothing doorbell notification toggle.
Auto-lock
eufy FamiLock S3 Max Smart Lock
4.7
Auto-lock was viewed as a meaningful convenience and peace-of-mind feature, especially for families that forget to lock up.
Lockin Veno Pro Smart Deadbolt Lock
4.9
Auto-lock is consistently praised or reported to work as intended, especially when paired with door-closed sensing.
Camera and doorbell performance
eufy FamiLock S3 Max Smart Lock
4.2
Camera and doorbell performance was mixed-positive: daytime video, field of view, and the indoor screen drew praise, while low-light video, audio, and doorbell-button expectations were caveats.
Lockin Veno Pro Smart Deadbolt Lock
4.1
Camera and doorbell performance is highly mixed, ranging from sharp, colorful video and strong alerts to poor audio, weak night vision, and missing history.
Battery
eufy FamiLock S3 Max Smart Lock
4.4
The dual-battery design was one of the most praised practical features, although heavy camera use made one reviewer doubt the advertised runtime.
Lockin Veno Pro Smart Deadbolt Lock
4.5
Battery evidence is strong overall: reviewers praised solar charging and battery endurance, though the solar panel can affect door appearance.
App
eufy FamiLock S3 Max Smart Lock
4.2
The Eufy app was considered capable and feature-rich, with useful controls and setup help, but one reviewer found it sprawling.
Lockin Veno Pro Smart Deadbolt Lock
4.3
The app is feature-rich and often praised as customizable or easy to use, but one reviewer hit reboots, force-quits, and rough software behavior.
Voice control
eufy FamiLock S3 Max Smart Lock
4.8
Voice control worked quickly where tested, especially through Alexa, Siri, or Google lock commands.
Lockin Veno Pro Smart Deadbolt Lock
4.8
Voice control receives positive support from reviewers using Siri, Alexa, or Google for lock commands.
Palm vein recognition
eufy FamiLock S3 Max Smart Lock
4.7
Palm vein recognition was the clearest strength, repeatedly described as fast, reliable, convenient, and easier than fingerprints, with minor caveats about angle and unlock-only use.
Lockin Veno Pro Smart Deadbolt Lock
4.7
Palm vein recognition is the standout attribute, repeatedly praised as fast, easy, touchless, and reliable, despite one reviewer seeing wake/register issues.
Lock/unlock speed
eufy FamiLock S3 Max Smart Lock
5.0
Lock/unlock responsiveness was excellent in testing, especially with voice commands.
Lockin Veno Pro Smart Deadbolt Lock
5.0
Lock and unlock speed is praised as very fast through the Veno app or Matter.
Access logs
eufy FamiLock S3 Max Smart LockNo score yet
Lockin Veno Pro Smart Deadbolt Lock
4.6
Access logs are useful and complete in supportive reviews, with event records showing camera and entry activity.
Auto-relock after failed attempts
eufy FamiLock S3 Max Smart Lock
4.0
Wrong-try lockout was viewed positively as a useful safeguard against repeated bad attempts.
Lockin Veno Pro Smart Deadbolt LockNo score yet
Door compatibility (deadbolt fit)
eufy FamiLock S3 Max Smart Lock
2.5
Door fit/usefulness is context-dependent: glass, windowed, screen, or storm doors can reduce the value of the camera and interior display.
Lockin Veno Pro Smart Deadbolt LockNo score yet
Facial recognition
eufy FamiLock S3 Max Smart Lock
4.5
Facial recognition was praised when paired with HomeBase, but reviewers treated it as an add-on rather than a built-in core feature.
Lockin Veno Pro Smart Deadbolt LockNo score yet
Feature additions via updates
eufy FamiLock S3 Max Smart LockNo score yet
Lockin Veno Pro Smart Deadbolt Lock
2.3
Software and update maturity is a concern: reviewers noted missing video history, rough edges, and a need for more firmware updates.
Fingerprint
eufy FamiLock S3 Max Smart LockNo score yet
Lockin Veno Pro Smart Deadbolt Lock
4.2
Fingerprint performance is generally good, but it is less effortless than palm scanning and one reviewer reported trouble registering a child’s fingerprint.
Geofencing
eufy FamiLock S3 Max Smart LockNo score yet
Lockin Veno Pro Smart Deadbolt Lock
2.7
Geofencing is mixed: one reviewer liked the idea, while others said it only changes modes or does not automatically lock or unlock.
Guest Codes and Access
eufy FamiLock S3 Max Smart LockNo score yet
Lockin Veno Pro Smart Deadbolt Lock
4.5
Guest access is useful for temporary and time-limited PIN access, but biometric access for temporary users is more limited.
Locking motor
eufy FamiLock S3 Max Smart Lock
4.5
The motorized lock button was praised as making operation easier, particularly for users with limited hand comfort.
Lockin Veno Pro Smart Deadbolt LockNo score yet
Pick/drill resistance (if rated)
eufy FamiLock S3 Max Smart Lock
4.5
Pick resistance was praised in reviews that discussed the encrypted cylinder or difficulty of picking the lock.
Lockin Veno Pro Smart Deadbolt LockNo score yet
Warranty and support
eufy FamiLock S3 Max Smart LockNo score yet
Lockin Veno Pro Smart Deadbolt Lock
2.5
Warranty and support evidence is weak, with one reviewer specifically wanting a better manual for novices.