Average score
P1
Product 1: eufy FamiLock S3 Max Smart...
4.2
P2
Product 2: Aqara G4 Video Doorbell
3.7
AI features
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.0
AI features were praised for local processing and breadth, but one reviewer found the AI feature inconsistent.
App
P1
Product 1: eufy FamiLock S3 Max Smart...
4.2
The Eufy app was considered capable and feature-rich, with useful controls and setup help, but one reviewer found it sprawling.
P2Product 2: Aqara G4 Video Doorbell
No score yetApp, software and firmware
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
3.2
Software impressions were mixed, with praise for app depth and clip browsing but criticism of unfinished views, binding problems, and quirky integration.
Audio
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.5
Two-way audio was generally judged usable to strong, with reviewers saying the microphone was good enough, clear both ways, or great for package situations.
Auto-lock
P1
Product 1: eufy FamiLock S3 Max Smart...
4.7
Auto-lock was viewed as a meaningful convenience and peace-of-mind feature, especially for families that forget to lock up.
P2Product 2: Aqara G4 Video Doorbell
No score yetAuto-relock after failed attempts
P1
Product 1: eufy FamiLock S3 Max Smart...
4.0
Wrong-try lockout was viewed positively as a useful safeguard against repeated bad attempts.
P2Product 2: Aqara G4 Video Doorbell
No score yetAutomation flexibility
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
3.8
Automation flexibility was mixed: Aqara routines sounded powerful, but HomeKit automations were criticized as too all-or-nothing.
Base / Hub integration
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
5.0
The chime/base integration was praised as a clever part of the system architecture.
Battery
P1
Product 1: eufy FamiLock S3 Max Smart...
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.
P2Product 2: Aqara G4 Video Doorbell
No score yetBattery and Charging
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
3.3
Battery feedback was highly mixed, from easy AA swaps and on-track estimates to short real-world life and weekly battery changes.
Build quality and durability
P1
Product 1: eufy FamiLock S3 Max Smart...
4.7
Build quality drew strong praise, with reviewers describing the lock as robust, durable, and safe-like despite its size.
P2Product 2: Aqara G4 Video Doorbell
No score yetCamera and doorbell performance
P1
Product 1: eufy FamiLock S3 Max Smart...
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.
P2Product 2: Aqara G4 Video Doorbell
No score yetChime
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.3
The chime was a strength: reviewers liked its loudness, optional use, repeater/hub role, and one user noted it did not startle their dog.
Color options
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.5
Color options were limited, with one review calling the two available colors almost identical.
Complete kit in box
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.3
The kit was generally complete, but one review noted that the buyer still needs to supply the USB-C AC adapter.
Controls and indicators
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
5.0
The large button and LED indicators were praised as obvious and easy to use, including in the dark.
Delivery package monitoring
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.2
Delivery package monitoring was a repeated weakness because the horizontal camera view often misses the porch floor.
Design aesthetics
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.1
Design feedback was mostly positive, though one reviewer thought it felt less premium and others noted its large, dark form.
Door-sense
P1
Product 1: eufy FamiLock S3 Max Smart...
3.8
Door-sense received qualified praise because it can infer door state without a separate sensor, though with some edge-case caveats.
P2Product 2: Aqara G4 Video Doorbell
No score yetDoor compatibility (deadbolt fit)
P1
Product 1: eufy FamiLock S3 Max Smart...
2.5
Door fit/usefulness is context-dependent: glass, windowed, screen, or storm doors can reduce the value of the camera and interior display.
P2Product 2: Aqara G4 Video Doorbell
No score yetFaceplate/accessory inclusion
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.5
Accessory inclusion had a mounting limitation: the supplied wedge did not solve one reviewer's angle needs.
Face recognition
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
3.4
Face recognition was inconsistent: some reviewers found it fast or surprisingly good, while others said it was finicky, slow, or rarely recognized them.
Facial recognition
P1
Product 1: eufy FamiLock S3 Max Smart...
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.
P2Product 2: Aqara G4 Video Doorbell
No score yetField of view and framing
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.8
The horizontal 16:9 view was repeatedly described as wide, but reviewers also warned it can miss the porch floor and make package visibility weaker.
Finish durability
P1
Product 1: eufy FamiLock S3 Max Smart...
4.2
Finish durability was only lightly covered, but one reviewer said the black metal casing still looked good after use.
P2Product 2: Aqara G4 Video Doorbell
No score yetHub requirement
P1
Product 1: eufy FamiLock S3 Max Smart...
2.7
HomeBase dependence was a downside when reviewers wanted facial recognition or the most advanced alerts.
P2Product 2: Aqara G4 Video Doorbell
No score yetIndustrial design
P1
Product 1: eufy FamiLock S3 Max Smart...
4.2
Industrial design was seen as modern and premium, though several reviewers noted that the lock is large or visually high-tech.
P2Product 2: Aqara G4 Video Doorbell
No score yetInstallation and Mounting
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
3.7
Installation was often easy, but some reviewers had mounting or setup frustrations, including adhesive failure and confusing first-time setup.
Installation and Setup
P1
Product 1: eufy FamiLock S3 Max Smart...
4.3
Reviewers generally found setup straightforward and app-guided, though one pre-release unit caused connection and install friction.
P2Product 2: Aqara G4 Video Doorbell
No score yetKey override reliability
P1
Product 1: eufy FamiLock S3 Max Smart...
4.2
Reviewers treated the physical key override as a useful fallback for emergencies or users who prefer non-smart access.
P2Product 2: Aqara G4 Video Doorbell
No score yetKeypad
P1
Product 1: eufy FamiLock S3 Max Smart...
4.5
The keypad was generally praised as responsive, visible, and easy to use, with scramble-code support helping privacy.
P2Product 2: Aqara G4 Video Doorbell
No score yetKeyway quality
P1
Product 1: eufy FamiLock S3 Max Smart...
2.8
The hidden keyway cover was the weakest physical detail, with one reviewer finding it hard to reseat securely.
P2Product 2: Aqara G4 Video Doorbell
No score yetlag)
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
5.0
Responsiveness and lag were praised strongly, with reviewers saying the feed and two-way talk reacted very quickly.
Lens distortion handling
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
3.0
Only one review judged distortion directly, describing the view as broad but visibly distorted.
Light adjustability
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.5
Light controls had limited positive evidence, with one reviewer praising the camera status and night-vision light toggles.
Lock/unlock speed
P1
Product 1: eufy FamiLock S3 Max Smart...
5.0
Lock/unlock responsiveness was excellent in testing, especially with voice commands.
P2Product 2: Aqara G4 Video Doorbell
No score yetLocking motor
P1
Product 1: eufy FamiLock S3 Max Smart...
4.5
The motorized lock button was praised as making operation easier, particularly for users with limited hand comfort.
P2Product 2: Aqara G4 Video Doorbell
No score yetLocking reliability
P1
Product 1: eufy FamiLock S3 Max Smart...
5.0
Locking reliability was consistently strong in the reviews that tested repeated lock/unlock behavior and routines.
P2Product 2: Aqara G4 Video Doorbell
No score yetLow-light and Night vision
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
3.5
Low-light feedback was mixed: some praised infrared or night vision, while others found nighttime faces washed out or merely fine.
Motion detection
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.0
Motion detection was one of the more repeated weaknesses, with finicky alerts, missed events, and inconsistent detection mentioned across reviews.
Multi-user sharing ease
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.5
Multi-user control had limited but positive evidence through HomeKit privacy permissions for household members.
Notifications
P1
Product 1: eufy FamiLock S3 Max Smart...
4.5
Motion and doorbell notifications were mostly praised for speed and accuracy, with one reviewer noting a small delay.
P2Product 2: Aqara G4 Video Doorbell
No score yetNotifications
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.5
Notifications were often praised as fast and useful, especially in HomeKit, though one reviewer reported 5-10 second notification delays for detected faces.
Object and person detection
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.0
Object and person detection had limited but positive direct evidence, with one reviewer calling object recognition consistent.
Ongoing ownership costs
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
5.0
Ongoing costs were praised because reviewers emphasized that the doorbell avoids burning a hole in the buyer's pocket.
Palm vein recognition
P1
Product 1: eufy FamiLock S3 Max Smart...
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.
P2Product 2: Aqara G4 Video Doorbell
No score yetPeace of mind
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.0
Peace-of-mind evidence was limited but positive, with one review calling it competent for home security.
Personalization options
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
5.0
Personalization options were praised for custom MP3 ringtones and signature chime sounds.
Physical attack resistance
P1
Product 1: eufy FamiLock S3 Max Smart...
4.4
Physical attack resistance had limited but positive evidence, with reviewers pointing to solid construction and tough security design.
P2Product 2: Aqara G4 Video Doorbell
No score yetPick/drill resistance (if rated)
P1
Product 1: eufy FamiLock S3 Max Smart...
4.5
Pick resistance was praised in reviews that discussed the encrypted cylinder or difficulty of picking the lock.
P2Product 2: Aqara G4 Video Doorbell
No score yetPower Options and Compatibility
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.4
Power flexibility was a strength because the G4 supports battery and wired use, though one review criticized the wiring route design.
Price and value
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.7
Value was a consistent strength, with reviewers praising the aggressive price, feature set, and affordability relative to competing doorbells.
Privacy
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.3
Privacy was a strength thanks to local operation, voice disguising, and privacy occlusion controls.
Recommendation for new buyers
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.3
Recommendation sentiment leaned positive, especially for HomeKit users and value seekers, but some reviewers limited the recommendation to specific needs.
Recording
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.0
Recording was split: 24/7 and local recording were praised, but short 6- or 12-second clips were criticized.
Reliability (general)
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.7
Reliability was mixed-to-negative: responsiveness could be excellent, but reviewers also reported offline states, missed events, and missing video.
Remote access
P1
Product 1: eufy FamiLock S3 Max Smart...
4.5
Remote access had limited evidence but was described as quick and reliable.
P2Product 2: Aqara G4 Video Doorbell
No score yetRTSP stream availability
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
1.0
RTSP availability was a major miss for one reviewer, who wanted wired-mode RTSP support and found its absence limiting.
Security ecosystem integration
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.0
Security ecosystem integration was weak for Home Assistant users because HomeKit Secure Video prevented the expected integration path.
Security features (encryption)
P1
Product 1: eufy FamiLock S3 Max Smart...
4.5
Security encryption evidence was limited but positive, centered on the encrypted lock cylinder adding protection.
P2Product 2: Aqara G4 Video Doorbell
No score yetSize and form factor
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.5
The form factor was a drawback for some reviewers because the doorbell was described as chunky, large, or dark.
Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
P1
Product 1: eufy FamiLock S3 Max Smart...
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.
P2Product 2: Aqara G4 Video Doorbell
No score yetSmart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.5
Smart-home integration was the product's clearest strength, especially HomeKit Secure Video, with additional positive mentions for Alexa and Google support.
Snapshot capture
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
5.0
Snapshot capture was praised through HomeKit rich notifications that include a snippet of the visitor.
Storage
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.8
Storage was praised for keeping the microSD card inside the chime rather than the exposed doorbell, reducing theft risk.
Subscription
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.8
Subscription value was strong because Aqara/local use avoids required subscriptions, although HomeKit Secure Video can involve an iCloud plan.
System completeness
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.0
System completeness scored well because the doorbell checked many feature boxes despite notable oversights.
Theft and Tamper
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
4.0
Tamper protection had limited but positive evidence, with one review calling the anti-tampering feature good.
Touchscreen
P1
Product 1: eufy FamiLock S3 Max Smart...
5.0
Touchscreen/keypad usability was supported by positive comments about responsiveness and backlighting.
P2Product 2: Aqara G4 Video Doorbell
No score yetUser access management
P1
Product 1: eufy FamiLock S3 Max Smart...
4.5
User access management was praised for making family access easy and supporting different time slots.
P2Product 2: Aqara G4 Video Doorbell
No score yetValue and Price
P1
Product 1: eufy FamiLock S3 Max Smart...
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.
P2Product 2: Aqara G4 Video Doorbell
No score yetVideo resolution and detail
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.9
Reviewers generally found daytime detail adequate, but several said the 1080p/no-HDR image was dated, pixelated, or not great, especially for faces in difficult light.
Voice control
P1
Product 1: eufy FamiLock S3 Max Smart...
4.8
Voice control worked quickly where tested, especially through Alexa, Siri, or Google lock commands.
P2Product 2: Aqara G4 Video Doorbell
No score yetWeather and temperature tolerance
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.7
Weather tolerance was split: one long test had no rain, snow, or cold issues, while two reviews warned the doorbell should stay under cover.
Weather resistance
P1
Product 1: eufy FamiLock S3 Max Smart...
4.2
Weather resistance received limited but positive support tied to the lock’s durable construction for harsh conditions.
P2Product 2: Aqara G4 Video Doorbell
No score yetWi-Fi
P1
Product 1: eufy FamiLock S3 Max Smart...
4.6
Wi-Fi performance was positive overall, with quick setup, steady connectivity, and claimed responsiveness from Wi-Fi 6 support.
P2Product 2: Aqara G4 Video Doorbell
No score yetWi-Fi range and stability
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
2.0
Wi-Fi range and stability had limited evidence, but one reviewer repeatedly saw a poor-network warning.
Zones and activity areas
P1Product 1: eufy FamiLock S3 Max Smart...
No score yet
P2
Product 2: Aqara G4 Video Doorbell
3.8
Zones were useful in HomeKit and Aqara contexts for filtering alerts, though one reviewer said motion zones were missing in the Aqara app.