Compare Aqara UWB Smart Lock U400 vs Aqara G100

Aqara UWB Smart Lock U400

The Aqara app was seen as useful and feature-rich, but reviewers also flagged setup complexity, a Matter-code issue, and a learning curve for customization.

5 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The app offers plenty of controls, but opinions on polish are mixed: some find it easy to operate while others describe the menus as cluttered, buried, or less refined.

5 supporting reviews

Aqara UWB Smart Lock U400

Bluetooth-only use was judged weak for this lock because reviewers saw the U400's main value in Thread/UWB rather than basic Bluetooth operation.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

App reliability is mostly good once connected: one reviewer completed pairing in minutes, while another found the initial connecting phase noticeably slow.

2 supporting reviews · Mixed evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Apple Home notifications are a highlight because they can be customized and include useful thumbnail previews.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

Notifications earned praise for adding Apple Watch/iPhone confirmation and a quick relock option after UWB unlocks.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Person and motion alerts were reported as quick in hands-on use.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

Smart-home integration was a major strength, with reviewers praising Apple Home, Matter over Thread, responsiveness, major ecosystem support, and future-looking compatibility.

11 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Broad ecosystem compatibility is a major selling point, with repeated praise for support across Apple Home, Google, Alexa, SmartThings, Home Assistant, and Aqara automations.

8 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The G100 works especially well as part of a broader smart-home system, with exposed sensors, Aqara-device automations, and local accessory integration adding real utility.

3 supporting reviews

Aqara UWB Smart Lock U400

Touchscreen evidence was mixed, with one reviewer naming wake-up attempts as the main complaint.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

Voice control received limited but positive evidence, with a reviewer saying they wished they had the supported voice-control lock routine at home.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Manual articulation is excellent, with smooth movement, strong angle retention, and enough range to point the camera in almost any direction.

5 supporting reviews

Aqara UWB Smart Lock U400

Auto-lock was broadly praised and often described as reliable or well implemented, though one reviewer found Aqara app close-detection sometimes delayed.

9 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The USB-C cable arrangement is functional and extendable, but one reviewer thinks the weather-protected cable solution feels cheap.

2 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Basic wireless connectivity proved reliable in testing, with no broadband connection issues between the camera and router.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The microSD-based 24/7 recording option is specifically praised as a key benefit.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Motion-zone controls are flexible enough for busy driveways and porches, letting users narrow detection to the areas that actually matter.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Detection is broadly well regarded, with person and motion alerts working reliably and advanced face, pet, vehicle, and package options adding flexibility when desired.

4 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Close-range recognition works well, with one tester finding facial recognition reliable within roughly 10 feet before clarity starts to fall off.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

Door-sense evidence was limited but positive, centered on the built-in gyroscope knowing when the door closes so it can lock without an added sensor.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

Door fit flexibility was helped by adapters/cross-bore support, with reviewers calling the physical fit detail useful for nonstandard openings.

2 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

One reviewer valued that the lock could mount without the kind of door drilling required by the previous lock, making the install feel friendlier to existing doors.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

Feature-update evidence was limited but positive, with one reviewer saying Aqara is good about firmware updates.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The 140-degree view is consistently useful for covering rooms, driveways, and studio areas with few blind spots, though one reviewer calls it merely decent rather than class-leading.

5 supporting reviews

Aqara UWB Smart Lock U400

Fingerprint access was consistently praised as quick, accurate, consistent, or convenient, especially as a backup when UWB is unavailable.

4 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Motion rendering is mostly clean, with one tester reporting minimal rolling shutter and blur except when subjects move quickly across the frame.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

Guest access was praised through Home app PIN management and temporary/neighbor-style access options.

3 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Apple Home support is a standout reason to buy for several reviewers, though the 1080p HomeKit cap is a recurring and meaningful tradeoff.

8 supporting reviews

Aqara UWB Smart Lock U400

Hub requirements were mixed: reviewers liked avoiding an Aqara hub in Apple Home, but still emphasized the need for a Thread border router for full functionality.

2 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The camera is attractive for setups that want to avoid extra hardware, with reviewers praising no-hub operation and, in one review, local hub functionality for Aqara devices.

3 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The repeated accessory complaint is the missing USB power adapter, which forces some buyers to supply their own brick.

2 supporting reviews

Aqara UWB Smart Lock U400

The keypad was generally usable and responsive, but reviewers also found that it could take extra taps or touches to wake in some cases.

3 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

The keyway/cylinder was viewed positively because the reviewer liked that it could be rekeyed rather than forcing a full lock replacement.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Local storage is one of the G100’s most praised advantages, with microSD and NAS options repeatedly highlighted for flexibility and reduced dependence on cloud storage.

8 supporting reviews

Aqara UWB Smart Lock U400

Lock/unlock speed was one of the strongest themes, especially with UWB; reviewers described fast reactions, instant Home app response, and few delay caveats.

10 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The camera worked smoothly on an Eero network without requiring special 2.4GHz setup.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The microphone is good enough for doorstep use, with voices remaining understandable from several feet away.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Mounting is highly flexible, with table, wall, ceiling, shelf, and tight-corner placements all described as practical.

5 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Night vision is a clear strength: reviewers like both discreet IR and spotlight-assisted color modes, with good visibility and useful nighttime identification for the price.

6 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Extra features such as anti-theft locking and voice changing feel thoughtful to some reviewers, though the voice-disguise option is less convincing for general indoor camera use.

3 supporting reviews · Mixed evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

On-device person and motion processing is valued because common detection can work without relying on the cloud, and reviewers consider it sufficient for many everyday setups.

3 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The published operating-temperature range raises a concern for uninsulated garages that may exceed the limits in very hot or cold weather.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Overall satisfaction is high: most reviewers see the G100 as a versatile, reliable, feature-rich budget camera, even if a few describe its core camera performance as merely solid rather than exceptional.

9 supporting reviews

Aqara UWB Smart Lock U400

Physical attack resistance drew a caveat: the reviewer appreciated certification but clearly wished the U400 had a stronger Grade 2 rating instead of Grade 3.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Privacy is a recurring strength, thanks to no-login HomeKit mode, local storage choices, encrypted services, and anti-theft or privacy-focused controls.

6 supporting reviews

Aqara UWB Smart Lock U400

Remote access was useful when configured, with one reviewer praising fast remote unlock and another noting Aqara-app remote control needs an Aqara hub.

2 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

Security features were praised around UWB precision, encryption-related safeguards, and prevention of unintended inside unlocks or relay-style weaknesses.

3 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Two reviewers criticize the two-way speaker as tinny, quiet, or generally low quality, making audio conversation one of the weaker areas.

2 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The built-in spotlight is strong enough to aid color night vision, though shadow detail can still be limited.

2 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Subscription pressure is relatively low because core use, local storage, and basic detection can work without a paid plan; the main tradeoff is that some advanced cloud AI remains paywalled.

6 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Aqara-device event integration can turn the camera into part of a broader multi-device security setup rather than a standalone camera only.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

User access management was positively reviewed for adequate household limits, more granular Aqara controls, and approachable local fingerprint setup.

3 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Reviewers generally find the G100’s video clear and useful for identification, especially in daylight, but several stop short of calling its 2K output premium and note the HomeKit resolution ceiling.

9 supporting reviews

Aqara UWB Smart Lock U400

Weather resistance came across well: reviewers said it could face the elements, and one real-world test cited rain, snow, ice, and no missed performance.

2 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The IP65 weather resistance is consistently viewed as strong enough for flexible indoor/outdoor use, with reviewers confident about rain, dust, and typical exposed placements.

7 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Wired power is the clearest placement compromise: outdoor installations need a continuous mains connection and may require a longer USB-C cable.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Audio quality is mixed: one reviewer hears hiss and compression, while another reports clear two-way conversations.

2 supporting reviews · Mixed evidence

Aqara UWB Smart Lock U400

Camera and doorbell integration was described as practical when paired with Aqara or Apple Home video devices, letting users see visitors and unlock from one screen.

2 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Daylight colors are considered reasonably accurate, with no major color complaints.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

2.4GHz-only networking is a mixed tradeoff. Several reviewers found it stable and easy to use, but others still note the absence of 5GHz throughput.

4 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

False alerts are generally well controlled, with testers reporting rare false positives and better behavior than some cheaper or floodlight-based alternatives.

3 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Low-light performance earns strong praise in the review that evaluates it directly, with the dual night modes described as excellent in dim conditions.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

Battery feedback was mostly positive for USB-C charging, removable/rechargeable design, and long runtime, tempered by concerns about spare or replacement batteries.

12 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The lack of built-in battery power limits outdoor placement because the camera must stay connected to mains power.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Build quality is adequate to good for the price: the camera feels solid enough, but its plastic housing is less sturdy or rugged than premium alternatives.

3 supporting reviews

Aqara UWB Smart Lock U400

Build quality was viewed positively, with reviewers describing a step up from earlier Aqara locks and solid, well-made hardware.

2 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The compact design is generally liked for being modern, discreet, and unobtrusive, though one reviewer finds the plastic finish more utilitarian than stylish.

6 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Early outdoor durability impressions are positive, including successful short-term use and confidence in harsh-weather protection, though long-term winter testing is limited.

2 supporting reviews

Aqara UWB Smart Lock U400

The exterior finish earned a positive note for resisting fingerprints better than expected.

1 supporting review · Limited evidence

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

Industrial design was the most mixed area: reviewers liked the sleeker, more mature, minimal look, but others called it bulky, plain, or plastic-looking.

7 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

The small, compact body is consistently praised for fitting discreetly on shelves, walls, ceilings, fences, and tight indoor spaces.

7 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Aqara’s paid camera plan is viewed as competitively priced, especially for households with multiple cameras.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Local operation provides useful resilience when internet service drops, which one reviewer calls a meaningful safeguard.

1 supporting review · Limited evidence

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Installation is usually described as simple or straightforward, but the pairing code on the base can be inconvenient if the camera is mounted before the code is saved.

8 supporting reviews

Aqara UWB Smart Lock U400

Installation was usually described as straightforward and fast, with several reviewers finishing quickly, though a few noted tight wiring, small screw holes, or a latch-area snag.

7 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

Reviewers liked retaining a physical-key fallback, framing it as a useful mechanical backup rather than a compromised smart-only design.

2 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

Locking reliability was strongly praised, with reviewers repeatedly reporting flawless, rock-solid, or consistently smooth hands-free unlocking.

10 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

RTSP support is a major plus for advanced users, with smooth Home Assistant integration and compatibility with broader surveillance software.

2 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Value is one of the strongest areas of agreement, with multiple reviewers calling the G100 unusually affordable or an excellent bargain for its feature set.

7 supporting reviews

Aqara UWB Smart Lock U400

No review summary available for this feature. Missing evidence does not mean the feature is absent.

Aqara G100

Live video is generally responsive, with low RTSP latency, quick feed loading, and little noticeable lag in testing.

3 supporting reviews

Aqara UWB Smart Lock U400

Value sentiment was favorable but conditional: reviewers called it worth the upgrade or routine-changing, while also noting the price can feel high.

4 supporting reviews

Aqara G100

No review summary available for this feature. Missing evidence does not mean the feature is absent.