Pick your system, then your protocol

Side-by-side reviews of smart home gear. Start with the system that runs your house, pick the protocol it speaks, then choose the switches, sensors, and locks that work on it.

Start with your system

The system is the app and hub that runs everything. It decides which protocols you can use, so pick it before you buy switches and sensors. Names link to each system's site; prices are from Amazon on 2026-10-04.

Swipe the tables sideways to see every column.

SystemHub to buyBuilt-in radiosRuns locallyPhonesBest forWhere to buy
Home Assistant
Open source, backed by Nabu Casa
Home Assistant GreenNone built in. Add USB adapters for Zigbee, Thread, and Z-WaveYes Any (app or web browser)Tinkerers and mixed-brand homes that want everything local$219.00 on Amazon
4.4 stars, 893 reviews
Apple Home
Apple
HomePod mini, HomePod, or Apple TV 4KThread, Matter, Wi-Fi, BluetoothMostly, through the home hub iPhone or iPad requirediPhone households that want a polished, private setupBuy from Apple
Not sold new on Amazon
Google Home
Google
Nest Hub (2nd gen) or Google TV StreamerThread, Matter, Wi-Fi, BluetoothPartly Android or iPhoneAndroid households and Google Assistant usersBuy from Google
Amazon listings are resellers at inflated prices
Amazon Alexa
Amazon
Echo HubZigbee, Thread, Matter, Sidewalk, Wi-Fi, BluetoothMostly cloud Android or iPhoneThe cheapest, easiest start, especially with voice$179.99 on Amazon
3.9 stars, 1,819 reviews
SmartThings
Samsung
Aeotec Smart Home HubZigbee, Matter, Wi-Fi (Z-Wave on V3 units, per the listing)Partly (Edge drivers run on the hub) Android or iPhoneSamsung households and people who want a middle ground$159.99 on Amazon
4.2 stars, 2,139 reviews
Hubitat Elevation
Hubitat
Hubitat Elevation C-8 ProZ-Wave 800 (Long Range), Zigbee 3.0, Matter, BluetoothYes Any (app or web browser)Z-Wave and Zigbee homes that want local control without building a server$194.95 on Amazon
3.8 stars, 376 reviews
Homey Pro
Athom (LG)
Homey Pro (2026)Z-Wave Plus, Zigbee, Thread, Matter, Bluetooth LE, Infrared, Wi-FiYes (local-first) Android or iPhonePeople who want every radio in one box and visual automations$449.00 on Amazon
3.6 stars, 49 reviews

Pros and cons

SystemProsCons
Home Assistant
  • Runs entirely in your home with no cloud required
  • Works with Z-Wave, Zigbee, Thread, Matter, and Bluetooth once you add the radios
  • The largest integration library of any platform here
  • Can share devices out to Apple Home, Google, and Alexa
  • Steepest learning curve on this list
  • You handle updates and backups
  • Green has no radios built in, so adapters cost extra
  • Easy remote access and voice use a Nabu Casa subscription, or your own setup
Apple Home
  • The most polished app and Siri control
  • Strong privacy, with HomeKit traffic end-to-end encrypted
  • Home hubs double as Thread border routers and Matter controllers
  • Automations run on the home hub, not in a cloud
  • Needs an iPhone or iPad; nothing for Android users
  • No Zigbee or Z-Wave without a third-party bridge
  • Automations are simpler than Home Assistant or Hubitat
  • Apple doesn't sell new HomePods or Apple TVs on Amazon
Google Home
  • Works on Android and iPhone
  • Nest Hub (2nd gen) and Google TV Streamer are Thread border routers and Matter hubs
  • Script editor for more advanced automations
  • Good voice control and camera support
  • No Zigbee or Z-Wave
  • Many integrations still run through the cloud
  • Google has shut down smart home products and programs before
  • We couldn't find a fairly priced new hub on Amazon
Amazon Alexa
  • Echo Hub has Zigbee, Thread, and Matter built in
  • Works with more devices than any other voice assistant
  • Wall-mount dashboard with cameras, routines, and security controls
  • Sold and shipped by Amazon
  • Most processing happens in Amazon's cloud
  • No Z-Wave
  • Routines are less flexible than Home Assistant, Hubitat, or Homey
  • Some features in the listing need Alexa+ or Ring subscriptions
SmartThings
  • Works on Android and iPhone
  • Zigbee and Matter built into the hub, plus Z-Wave on some versions
  • Many automations now run locally on the hub
  • Samsung TVs and appliances can join the same system
  • Z-Wave support depends on which hub version you get
  • The platform has changed a lot; the 2022 move off Groovy broke custom device handlers
  • The app gets cluttered as you add devices
Hubitat Elevation
  • Everything runs on the hub, even with the internet down
  • Z-Wave 800 Long Range and Zigbee 3.0 built in
  • Rule Machine handles complex automations
  • Full functionality with no subscription, per the listing
  • Interface feels dated next to Apple and Google
  • Matter over Thread devices need a separate border router
  • 3.8-star rating on Amazon
Homey Pro
  • The most radios in one hub, including infrared
  • Homey Flow makes automations visual and approachable
  • Local-first processing
  • Works with Siri, Alexa, and Google
  • The most expensive hub here
  • 3.6-star rating on Amazon
  • Quality of brand apps varies
  • The cheaper Pro mini needs a Homey Bridge for Z-Wave, Bluetooth, and infrared

At a glance

Swipe the table sideways to see every column.

ProtocolFrequencyNetworkHub neededPower useBest for
Z-Wave908.42 MHz (US), 868.42 MHz (EU)Mesh (Long Range: star)Yes, a Z-Wave controllerLow, battery sensors last 1-3 yearsLocks, switches, whole-house sensor networks
Zigbee2.4 GHz (IEEE 802.15.4)MeshYes, a Zigbee coordinatorVery low, coin-cell sensors last 1-2 yearsLots of cheap sensors, bulbs, buttons
Wi-Fi2.4 GHz (most smart devices), 5 GHz (cameras)Star, through your routerNoHigh, poor fit for batteriesCameras, doorbells, plugs, appliances
Bluetooth2.4 GHzPoint-to-point (Bluetooth Mesh exists but is rare)No for phone control; yes for remote accessVery low with Bluetooth LELocks, trackers, sensors near a hub
Thread2.4 GHz (IEEE 802.15.4)MeshNeeds a Thread border routerVery lowMatter sensors, locks, blinds
MatterWi-Fi, Thread, or EthernetDepends on the radio underneathA Matter controller (most smart speakers and hubs qualify)Depends on the radio underneathAnyone mixing ecosystems or avoiding lock-in
Lutron Clear Connect434 MHz (Clear Connect Type A)Star to a Lutron bridge or processorYes, a Lutron Smart Bridge or processorPico remotes run about 10 years on a coin cellLight switches, dimmers, shades
433 MHz RF433.92 MHz (some US gear uses 315 MHz)One-way broadcastYes, an RF bridge or SDR receiverVery lowWeather stations, outdoor temperature sensors

Pros and cons by protocol

Open the reviews list under any protocol to see the device types we cover on it.

Z-Wave

908.42 MHz (US), 868.42 MHz (EU)

Low-power mesh on a sub-GHz band, built for home automation and nothing else.

Our take: The safest pick for a hub-based setup that has to keep working for years. Every certified device talks to every certified controller, and its band stays out of Wi-Fi's way.

Pros

  • Sub-GHz radio doesn't compete with Wi-Fi or Zigbee on 2.4 GHz
  • Lower frequency gets through walls and floors better than 2.4 GHz
  • Mandatory certification, so devices from different brands work together
  • Every mains-powered device repeats the signal and extends the mesh
  • S2 security is required on newer certified devices
  • Z-Wave Long Range reaches outbuildings and supports up to 4,000 devices

Cons

  • Needs a hub or USB controller; there's no phone-only setup
  • Devices usually cost more than Zigbee or Wi-Fi equivalents
  • Frequencies are regional, so a US device won't work on an EU controller
  • Low bandwidth rules out cameras and anything streaming
  • Classic mesh tops out at 232 devices and 4 hops
Z-Wave product reviews 8
  • Z-Wave light switches →
  • Z-Wave dimmersComing soon
  • Z-Wave door and window sensorsComing soon
  • Z-Wave motion sensorsComing soon
  • Z-Wave smart plugsComing soon
  • Z-Wave door locksComing soon
  • Z-Wave leak sensorsComing soon
  • Z-Wave hubs and controllersComing soon

Zigbee

2.4 GHz (IEEE 802.15.4)

Cheap, low-power 2.4 GHz mesh with the widest catalog of small sensors.

Our take: The budget king for sensors and bulbs. Pair it with a good coordinator and plenty of plug-in repeaters and it's rock solid.

Pros

  • Sensors and buttons are among the cheapest on the market
  • Huge catalog from Aqara, IKEA, Philips Hue, Sonoff, Third Reality, and others
  • Mains-powered devices act as routers and strengthen the mesh
  • Coin-cell battery devices run for a year or more
  • Works fully local with Home Assistant (ZHA or Zigbee2MQTT)

Cons

  • Shares the 2.4 GHz band with Wi-Fi, so channel planning matters
  • Some brands bend the spec; Aqara devices can drop off third-party routers
  • Needs a coordinator (hub or USB stick)
  • Brand hubs like Hue only accept their own approved devices
  • Bulbs used as repeaters break the mesh when someone flips the wall switch
Zigbee product reviews 8
  • Zigbee light switches →
  • Zigbee bulbsComing soon
  • Zigbee door and window sensorsComing soon
  • Zigbee motion sensorsComing soon
  • Zigbee smart plugsComing soon
  • Zigbee temperature and humidity sensorsComing soon
  • Zigbee buttons and remotesComing soon
  • Zigbee hubs and coordinatorsComing soon

Wi-Fi

2.4 GHz (most smart devices), 5 GHz (cameras)

Uses the router you already own. No hub, lots of bandwidth, lots of power draw.

Our take: Right for cameras, doorbells, and anything plugged in. Wrong for battery sensors, and a few dozen devices can overload a cheap router.

Pros

  • No hub; it joins the network you already have
  • Enough bandwidth for live video and audio
  • Widest choice of brands and the lowest entry prices
  • Setup is usually an app and a few taps

Cons

  • Power hungry; battery Wi-Fi sensors need frequent charging
  • Many devices only support 2.4 GHz, which complicates setup on mixed-band routers
  • Dozens of devices can overload consumer routers
  • Many products depend on the maker's cloud and stop working if it shuts down
  • No mesh between devices; range is whatever your router covers
Wi-Fi product reviews 7
  • Wi-Fi light switches →
  • Wi-Fi smart plugsComing soon
  • Wi-Fi security camerasComing soon
  • Wi-Fi video doorbellsComing soon
  • Wi-Fi bulbsComing soon
  • Wi-Fi thermostatsComing soon
  • Wi-Fi garage door openersComing soon

Bluetooth

2.4 GHz

Phone-to-device and short range. Easy to set up, hard to reach from outside the room.

Our take: Fine for one-room gadgets you control from your phone. For whole-house automation, plan on a hub or Bluetooth proxies.

Pros

  • Pairs straight to your phone with no hub or network
  • Bluetooth LE sips power, so sensors run for months or years
  • Keeps working when the internet is down
  • Home Assistant can extend coverage with cheap ESP32 Bluetooth proxies

Cons

  • Short range, often a single room through walls
  • No remote control unless a hub, bridge, or proxy is in range
  • Bluetooth Mesh has little product support for home automation
  • Many devices work only through the maker's own app
Bluetooth product reviews 6
  • Bluetooth light switches →
  • Bluetooth smart locksComing soon
  • Bluetooth temperature and humidity sensorsComing soon
  • Bluetooth plant sensorsComing soon
  • Bluetooth trackersComing soon
  • Bluetooth proxiesComing soon

Thread

2.4 GHz (IEEE 802.15.4)

IP-based, self-healing 2.4 GHz mesh. The low-power radio behind most new Matter devices.

Our take: The best bet for new battery devices if you already own a border router. The catalog is still smaller than Zigbee's or Z-Wave's.

Pros

  • Every device gets an IPv6 address, so there's no proprietary translation layer
  • Self-healing mesh with no single point of failure if you run more than one border router
  • Low power with fast response times
  • Border routers are built into devices many people already own: HomePod mini, Apple TV 4K, Nest Hub (2nd gen), and some Echo models

Cons

  • Needs a Thread border router
  • Border routers from different ecosystems don't always share one network
  • Smaller product catalog than Zigbee or Z-Wave
  • Shares the 2.4 GHz band with Wi-Fi and Zigbee
  • Newer standard, so firmware and pairing bugs still show up
Thread product reviews 6
  • Thread light switches →
  • Thread sensorsComing soon
  • Thread smart plugsComing soon
  • Thread smart locksComing soon
  • Thread blinds and shadesComing soon
  • Thread border routersComing soon

Matter

Wi-Fi, Thread, or Ethernet

A shared language, not a radio. Runs over Wi-Fi, Thread, or Ethernet and works across Apple, Google, Amazon, SmartThings, and Home Assistant.

Our take: Buy Matter devices when you can, because they keep your options open. Check that the features you need are in the spec before you buy.

Pros

  • One device works with Apple Home, Google Home, Alexa, SmartThings, and Home Assistant
  • Multi-admin lets several ecosystems control the same device at once
  • Local control by design, no cloud needed for day-to-day use
  • Setup is a QR code scan in whichever app you prefer

Cons

  • Only device types in the current spec are supported, so advanced features often stay in the maker's app
  • Each platform exposes a different slice of what a device can do
  • Pairing and multi-admin bugs are still common
  • Matter over Thread devices still need a Thread border router
Matter product reviews 6
  • Matter light switches →
  • Matter smart plugsComing soon
  • Matter bulbsComing soon
  • Matter sensorsComing soon
  • Matter smart locksComing soon
  • Matter hubs and controllersComing soon

Lutron Clear Connect

434 MHz (Clear Connect Type A)

Lutron's own RF used by Caseta and RadioRA. Proprietary and very reliable.

Our take: If you only care about lighting and want it to just work, this is the benchmark. Expect to stay inside the Lutron catalog.

Pros

  • Very reliable; its band has almost no competing traffic
  • Dimmers work with a wide range of LED bulbs without flicker
  • Pico remotes run for years and need no wiring
  • Integrates with HomeKit, Alexa, Google, SmartThings, and Home Assistant through the bridge

Cons

  • Only Lutron devices join the network
  • Requires a Lutron bridge or processor
  • Lighting and shades only; no general-purpose sensors
  • Costs more per switch than most Zigbee or Wi-Fi options
Lutron Clear Connect product reviews 4

433 MHz RF

433.92 MHz (some US gear uses 315 MHz)

Simple one-way radio found in cheap sensors, weather stations, and remotes.

Our take: Great for cheap outdoor sensors you only need to read. Skip it for anything security-related.

Pros

  • Very cheap sensors
  • Long range through walls and out to the yard
  • Batteries last a long time
  • A $30 SDR dongle running rtl_433 can read hundreds of device models

Cons

  • No common standard; each brand uses its own encoding
  • Mostly one-way, with no confirmation that a command arrived
  • Typically no encryption, so signals can be sniffed or replayed
  • Needs an RF bridge or SDR to get into a smart home system
433 MHz RF product reviews 4
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