How to Choose a Smart Home Hub

"You will need a hub" is the most expensive piece of advice in the smart home, because it is often wrong and it is always sold to you at the register.

The honest version: you need a hub when your devices use a protocol your phone and router cannot speak. That is the whole test. Everything else is convenience.

Step 1: Find out whether you already have one

Before buying anything, check what you own:

• Smart speakers and displays often act as hubs — they can run automations, and many include a Thread border router.
• Some routers have smart home radios built in, and mesh systems from Amazon and Google frequently include Thread.
• Your phone can be a Matter controller, which is enough for Matter devices on Wi-Fi.

If you own a recent smart speaker, there is a good chance you already have the hub you were about to buy.

Step 2: Match the hub to the protocol you chose

There are four kinds of hub, and buying the wrong kind is the usual mistake.

• Ecosystem hubs. Apple TV or HomePod for Apple Home, a Nest display for Google, an Echo for Alexa. These give you remote access and automations within one ecosystem.
• Protocol hubs. Zigbee or Z-Wave controllers. Necessary if you buy those devices, and the reason Aqara and SmartThings hubs exist.
• Bridging hubs. Devices that translate one protocol into another — a Zigbee hub that exposes its devices to Matter, for example. These are the most useful hubs to own right now because they make older devices last longer.
• Platform hubs. A small computer running Home Assistant. Maximum control, maximum responsibility.

Step 3: Use this decision rule

Your situation	What you need
You own only Wi-Fi or Matter-over-Wi-Fi devices	No hub. Use your phone app.
You want Matter-over-Thread devices	One Thread border router — check whether a speaker or display you own already has one.
You want Zigbee devices	A Zigbee hub, ideally one that bridges to Matter.
You want Z-Wave devices	A Z-Wave controller, usually via Home Assistant, Hubitat or SmartThings.
You want automations that run when the internet is down	A local platform — Home Assistant or a hub with local automation.
You want the widest device support in one app	SmartThings, or Home Assistant if you are comfortable with more setup.

Step 4: What to check before you buy a hub

• Which devices it actually supports. Look for a published compatibility list, not a marketing phrase.
• Whether it works locally. A hub that stops working when the internet drops is a cloud service in a plastic box.
• Whether it bridges to Matter. This is what keeps your devices usable if you change ecosystems.
• Which radios it has. Zigbee, Thread, Z-Wave and Wi-Fi are different; a hub rarely covers all of them.
• Whether the company is likely to still support it in five years. A dead hub takes your devices with it.

How to avoid buying three hubs

The pattern that catches people is buying devices first and hubs second. Reverse it: choose your ecosystem, choose one protocol strategy, and buy devices that fit. If you want to hedge, buy Matter devices and Matter-bridging hubs, which are the closest thing to future-proof in a category that changes every two years.

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.