Aqara Smart Lock U100.

The Gavler Review.

Aqara Smart Lock U100 Review: Home Key on a Budget — If You Already Own the Hub

The Aqara Smart Lock U100 ranks eighth on Gavler's Best Smart Locks list with an 8.1 — the value sibling to Aqara's flagship U200, and the right buy only for a specific household: one that already has an Aqara Hub on the network. MacRumors put it plainly in their hands-on review: "At $190, this is a full-featured smart lock that rivals other more expensive smart locks on the market... it is not as sleek and unassuming as some other smart locks on the market, but if that does not bother you, it's worth looking into." That's the whole review in two sentences — genuinely capable, genuinely bulky, and worth every dollar for the right buyer.

What it is

The U100 packs eight unlock methods into a single deadbolt: Apple Home Key (via hub), fingerprint, keypad PIN, Bluetooth, physical key, app, one-time guest code, and remote unlock — the broadest unlock-method matrix on Gavler's smart-lock list. It's a full-replacement deadbolt rather than a retrofit module, running on long-life replaceable batteries instead of the U200's USB-C rechargeable cell, and priced $40 below the U200 as a result of skipping the built-in Thread radio and NFC secure element that make the flagship hub-free. That's the trade at the center of this product: cheaper hardware, in exchange for needing an Aqara Hub M2 ($60) or M3 ($80) to unlock the Home Key and Matter features at all.

In use

MacRumors' Juli Clover spent real time living with the U100 and her account is detailed enough to trust. Setup took about 20 minutes end to end, including removing the existing deadbolt — "I had to remove the existing deadbolt from my door, and luckily, the U100 hardware fit relatively well." Of the eight unlock methods, two stood out in daily use: "Of these entry methods, the Home Key and the fingerprint sensor are the quickest to use. The fingerprint sensor was accurate and unlocked the U100 almost as quick as Touch ID unlocks an iPhone." She also flagged a small but genuinely useful detail — an auto-lock function using a gyroscope to detect when the door closes, meaning the lock re-secures itself even if you forget to lock it manually.

The hub dependency is real and worth understanding before you buy, not after. Clover's testing routed the U100 through an Aqara hub connected via Zigbee, technically making the setup "Matter over Zigbee" rather than native Matter — functional, and reliable in her testing ("I haven't had connectivity issues with the hub, and the lock responds to commands both when I'm at home and when I'm away"), but an extra piece of infrastructure the U200 simply doesn't require.

Strengths

The unlock-method count is the standout feature, and it's not padding — having eight distinct ways into your own house covers nearly every real-world scenario, from a guest without a smartphone to a family member with a dead phone battery relying on the fingerprint sensor or a physical key hidden in the lock's compartment. The auto-lock-on-close feature is a small, well-executed detail that solves a genuinely common failure mode (forgetting to lock the door). And at $190, buyers who already own an Aqara Hub for other smart-home gear — temperature sensors, leak sensors, motion sensors — get Home Key support at a real discount versus buying the all-in-one U200.

The trade-offs — who should skip it

The chassis is the most consistent complaint across every review Gavler found, MacRumors included: "The look of the U100 is probably my least favorite aspect of the lock. It's big and bulky, both indoors and out." If you want the sleekest smart lock on your door, this isn't it. The bigger structural issue is the hub math: buyers without an existing Aqara Hub end up spending well over $200 once the M2 or M3 is added, which crosses into U200 territory without matching its native, hub-free convenience. And on batteries, expect a disposable-cell lock rather than a rechargeable one — a genuine convenience trade-off some buyers will actively prefer (no USB-C charging cycle to remember) and others will find dated.

How it compares

The obvious sibling comparison is the Aqara Smart Lock U200, which sits at rank 1 on Gavler's list with a 9.4 — $40 more at $230, but with the NFC secure element and Thread radio built directly into the lock, meaning no hub purchase is required to unlock Home Key or Matter. If you don't already own Aqara Hub hardware, the U200 is very likely the better buy on pure math. For buyers who want Schlage's build reputation instead of Aqara's feature density, the Schlage Encode Smart Wi-Fi Deadbolt at rank 9 skips Home Key and Matter entirely in favor of built-in Wi-Fi and Alexa/Google support at $250.

The Gavler verdict

An 8.1 for a lock that does exactly what Aqara promises, at a real discount, for the household that's already paid the Aqara Hub tax elsewhere in the house. MacRumors' bottom line holds up: full-featured, genuinely competitive with pricier locks, and the design is the one place it shows its budget positioning. Buy the U100 if you already own an Aqara Hub M2 or M3; otherwise, do the math on the U200 first.

Common Questions

Is the Aqara Smart Lock U100 worth it in 2026?

Only if you already own an Aqara Hub M2 or M3, or plan to buy one anyway. MacRumors, reviewing the U100 directly, called it 'a full-featured smart lock that rivals other more expensive smart locks on the market' at $190, with the caveat that 'it is not as sleek and unassuming as some other smart locks on the market.'

Does the Aqara U100 work with Apple Home Key out of the box?

Not without a hub. Unlike the U200, the U100 lacks a built-in Thread radio and NFC secure element, so Home Key and Matter both require an Aqara Hub M2 or M3 on the network. MacRumors' testing used an Aqara hub, which bridges the lock to HomeKit over what is technically 'Matter over Zigbee.'

How long does the Aqara U100's battery last?

Aqara rates it for several months of typical use on standard replaceable batteries. MacRumors noted a preference for rechargeable options instead: 'I'm not a fan of standard batteries in electronics, and would have preferred something rechargeable as an option' — a trade-off Gavler's own data confirms is deliberate, since disposable batteries offer longer standby life than the U200's USB-C rechargeable cell.