Do You Need a Smart Home Hub?

The advice to 'get a hub' is repeated so often that people buy one before they have a reason to. That is backwards. A hub is infrastructure, and infrastructure is only worth adding when it solves something.

There are four situations where a hub genuinely earns its place. If none of them applies to you, your money is better spent on devices.

The four reasons to buy a hub

One: your devices use a protocol your Wi-Fi cannot speak. Zigbee, Z-Wave and Thread devices need a radio to talk to, and that radio is a hub or border router. If you want Zigbee sensors or Thread locks, you need one.

Two: you want automation that runs when the internet is down. Cloud-based routines stop working without a connection. Hub-based automation can run locally, which matters for anything you rely on — heating, lighting on a schedule, security.

Three: you have too many Wi-Fi devices. Routers have practical device limits, and Wi-Fi smart devices are chatty. Moving lighting and sensors onto a mesh protocol takes the load off your network and is usually more reliable.

Four: you want to bridge ecosystems. A hub can expose non-Matter devices to Apple Home, Alexa or Google Home, which is often cheaper than replacing hardware.

You may already own one

Before buying, check what you have. Many smart speakers and displays contain a Zigbee radio or a Thread border router. Several thermostats, routers and streaming devices include Thread border routers as well. Apple TV and HomePod act as Apple Home hubs. Echo and Nest devices act as hubs for their own ecosystems.

If your existing hardware already provides the radio you need, adding a second hub creates two competing networks rather than one better one. Check the specification of what is already on your shelf first — it is the most commonly skipped step in this decision.

Matter and Thread, and what a border router does

Thread is a low-power mesh protocol designed for smart home devices, and Matter is the application layer that lets devices work across ecosystems. A Thread device needs a border router to reach your network — that is the box that translates between the Thread mesh and your Wi-Fi or Ethernet.

If you buy Thread devices without a border router, they will not work. If you buy Matter devices that use Wi-Fi, no border router is needed. Both are commonly described as 'Matter devices', which is why this is confusing — the transport matters as much as the standard.

Practically: if you are building a Thread network, buy a border router deliberately, and check that it is a Thread border router rather than just a Matter controller. Many devices are one and not the other.

Local control: the underrated reason

Local automation is the argument that ages best. A hub running automations on your own network keeps working when the internet is down, when the manufacturer's cloud has an outage, and when a product line is discontinued.

This last point is worth taking seriously. Cloud-dependent devices have been bricked when a company shut down its servers. A hub that talks to devices locally is a hedge against that, and for anyone investing meaningfully in a smart home it is a real consideration rather than a theoretical one.

Open platforms such as Home Assistant go furthest here, at the cost of significantly more setup and maintenance. The trade-off is control and longevity against convenience.

When not to buy one

Do not buy a hub if all your devices are Wi-Fi and Matter-over-Wi-Fi, if you are happy with cloud automations, and if you have fewer than about fifteen smart devices. In that situation a hub adds a box, another app, another thing to update, and a new failure point that can take down automations that previously worked.

Do not buy a hub merely because a guide said to. Buy it when you have a device that needs it, an automation that must survive an outage, or a network that is struggling. Those are concrete problems with concrete answers.

If you do need one, how to choose

Match the protocol you actually use: Zigbee and Thread for most modern sensors and locks, Z-Wave for a large installed base of older devices. Check that the hub supports Matter as a controller, since that is the direction everything is moving. And prefer hubs that can run automations locally rather than only relaying to a cloud service.

If you want the widest device support and are willing to invest setup time, Home Assistant is the most capable option and the one least likely to be abandoned. If you want something that works in an afternoon, a mainstream brand hub that supports Matter and the protocol you need is the pragmatic choice.

Products mentioned in this guide

Products referenced in this guide, shown with the manufacturer's own photography. We do not publish prices or star ratings — both change faster than any article can be kept accurate.

Frequently asked questions

Note: Compatibility and feature details on this page come from manufacturer documentation and published specifications at the time of writing. Support changes with firmware, so confirm the current details with the manufacturer before you buy.