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Shelly i4 Gen3

Shelly / S3SN-0024X

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Shelly i4 Gen3, product image
Image: Shelly

Does the Shelly i4 Gen3 work with HomeKit, Alexa, and Google Home?

The Shelly i4 Gen3 reads four wall-switch inputs and triggers scenes or other devices over Wi-Fi.

It is mains powered and has Bluetooth. It suits Alexa users through an integration (the maker's cloud). Home Assistant users reach it through an integration (local Wi-Fi control).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Unknown
Unknown
Alexa
Yes[1]
Wi-Fi cloud, via integration
SmartThings
Unknown
Unknown
Home Assistant
Yes[2]
Wi-Fi local, via Shelly

Key facts

Shelly i4 Gen3 facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[3][4]
List price$19.99[5] as of
GenerationGen3[6]
Model codeS3SN-0024X[1]
InputsFour switch inputs[1]
Power110-240 V~[1]
RadioWi-Fi, Bluetooth 4.2[1]
Matterunknown
Local APIHTTP API, MQTT and webhooks[1][7]

Integration paths

How the Shelly i4 Gen3 connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Wi-Fi localNothing extra[1][2]Yes[1][2]unknown
Wi-Fi cloudVendor cloud account[1]No[1]unknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the Shelly i4 Gen3

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantNative (local)[2]shellyWi-Fi local
  • Quality: Platinum[2]
  • IoT class: Local Push[2]
  • Works with Home Assistant: Not certified[2]
Product line namedNone stated
HomeyOfficial app (local)[8]cloud.shelly.controlWi-Fi local
  • App: Official[8]
  • Runs on: Homey Pro[8]
Model namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

Shelly i4 Gen3. Smart Home Canon. https://smarthomecanon.com/devices/shelly-i4-gen3. Last checked 2026-10-20.

Sources

  1. [1]
    MFRkb.shelly.cloud / Shelly i4 Gen3 - Shelly Knowledge Base
    Accessed Back to text
  2. [2]
    DOChome-assistant.io / Shelly - Home Assistant
    Accessed Back to text
  3. [3]
    MFRshelly.com / Shelly i4 Gen3 - Shelly Europe shop
    Accessed Back to text
  4. [4]
    MFRshelly.com / Shelly Europe shop catalog (Shopify product feed, pages 1-4)
    Accessed Back to text
  5. [5]
    MFRus.shelly.com / Shelly USA store: Shelly i4 Gen3
    Accessed Back to text
  6. [6]
    MFRkb.shelly.cloud / Shelly Gen3 devices - Shelly Knowledge Base
    Accessed Back to text
  7. [7]
    MFRshelly-api-docs.shelly.cloud / Shelly Technical Documentation
    Accessed Back to text
  8. [8]
    DOChomey.app / Homey App Store: Shelly Control
    Accessed Back to text