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Relays · Head to head

Aqara Single Switch Module T1 (No Neutral) vs Shelly 1 Gen4

Full Smart Relays comparison in 2026

Updated September 2026
Data from Amazon and official Aqara and Shelly sites.
2026 verdict
Shelly 1 Gen4 wins this Aqara vs Shelly relay comparison on almost every spec, provided your switch box has a neutral wire.
Shelly 1 Gen4
Winner
Shelly 1 Gen4
$24.99
Buy on Amazon USACheck price
It works over Wi-Fi, Bluetooth and native Matter with no hub, can also join Zigbee through a hub as a Zigbee router, switches 16A across resistive, inductive and capacitive loads plus DC, offers a dry contact mode and carries a 3-year warranty. The Aqara Single Switch Module T1 (No Neutral) exists for the one case the Shelly 1 Gen4 cannot cover: a box with no neutral. It also adds a physical on/off button and power-off memory, but it needs a Zigbee hub, reaches Matter and SmartThings only through an Aqara hub, is limited to 5A of resistive load and is covered for 1 year. Both work with Alexa, Google Home, Apple Home and Home Assistant. Pick the Shelly 1 Gen4 whenever a neutral is there, and the Aqara Single Switch Module T1 (No Neutral) when it is not.
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FeatureAqara Single Switch Module T1 (No Neutral)Shelly 1 Gen4Winner
Rating4.24.4Shelly 1 Gen4
Warranty1 year3 yearsShelly 1 Gen4
ConnectivityZigbeeBluetooth, ZigbeeShelly 1 Gen4
Dry Contact ModeNOYESShelly 1 Gen4
Zibgee RouterNOYESShelly 1 Gen4
SafetyOverheating protectionOverheating protectionTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Relay Channels11Tie
Energy MonitoringNONOTie
Wet Contact ModeYESYESTie

What the differences mean

Neutral wire

This is the deciding question. The Aqara Single Switch Module T1 (No Neutral) installs in a box with only line and load, which many older homes have. The Shelly 1 Gen4 requires a neutral on mains power, so in that box it is not an option; only its 12V or 24-48V DC supply does without one.

Hub and radios

The Shelly 1 Gen4 connects to Wi-Fi directly and supports Matter natively, with Zigbee as an option. The Aqara Single Switch Module T1 (No Neutral) is Zigbee only, so it needs a Zigbee hub, and an Aqara hub for Matter and SmartThings.

What it can switch

The Aqara Single Switch Module T1 (No Neutral) handles resistive loads up to 5A and 1250W, which covers ordinary lighting. The Shelly 1 Gen4 takes 16A of resistive, inductive or capacitive load and DC, so motors, pumps and transformers are in scope.

Contacts and button

The Shelly 1 Gen4 offers dry and wet contact modes, which is what garage door and gate triggers need. The Aqara module has wet contact only, but adds a physical on/off button and power-off memory.

Mesh and warranty

The Shelly 1 Gen4 acts as a Zigbee router and carries a 3-year warranty. The Aqara Single Switch Module T1 (No Neutral) does not route Zigbee traffic and is covered for 1 year.

Which one to buy if

What owners say

Shelly 1 Gen4 owners describe a small relay that is easy to set up over Wi-Fi and rock solid afterwards, with local schedules that keep running through power cuts and no cloud dependency. They use its dry contacts creatively: momentary garage door triggers instead of subscription openers, pool heater relays, low-voltage house-number lights and detached mode that turns a dumb switch into a scene controller. The complaints are consistent too: it needs a neutral wire, it is a tight fit in a crowded box, pairing over Zigbee with hubs like Hubitat is fiddly and poorly documented, and a few owners hit Android app problems.

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Aqara Single Switch Module T1 (No Neutral)
  • Shelly 1 Gen4

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Frequently Asked Questions

Aqara vs Shelly: is the Shelly 1 Gen4 or the Aqara Single Switch Module T1 (No Neutral) better?

The Shelly 1 Gen4 when your box has a neutral: it needs no hub, supports Matter natively, switches 16A across more load types, has a dry contact mode and a 3-year warranty. The Aqara Single Switch Module T1 (No Neutral) is the right pick only when there is no neutral.

Does the Shelly 1 Gen4 work without a neutral wire?

Not on mains power: the Shelly 1 Gen4 requires a neutral on 110-240V AC and only does without one on a 12V or 24-48V DC supply. The Aqara Single Switch Module T1 (No Neutral) is the one of this pair made for boxes without one.

Do I need a hub for the Aqara Single Switch Module T1 (No Neutral) or the Shelly 1 Gen4?

The Aqara module needs a Zigbee hub, and an Aqara hub for Matter and SmartThings. The Shelly 1 Gen4 needs no hub: it connects over Wi-Fi and supports Matter directly, with Zigbee as an option through a hub.

Do both work with Apple Home?

Yes. The Aqara Single Switch Module T1 (No Neutral) and the Shelly 1 Gen4 both support Apple Home, as well as Alexa, Google Home and Home Assistant.

Who should buy the Aqara Single Switch Module T1 (No Neutral)?

Owners of older homes without a neutral at the switch who already run, or are happy to add, a Zigbee hub, and who only need to switch lighting.

Who should buy the Shelly 1 Gen4?

Anyone with a neutral in the box who wants a hub-free relay with Matter, heavier load support, a dry contact for garage doors and a longer warranty.

Full comparison table

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