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Amazon Echo Show 21

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Amazon Echo Show 21 display with Fire TV remote
Image: Amazon press materials

Does the Amazon Echo Show 21 work with HomeKit, Alexa, and Google Home?

The Echo Show 21 is Amazon's largest Echo Show, a wall-mountable 21-inch display with Fire TV built in.

It is a Matter controller and connects Wi-Fi, Thread and Zigbee devices directly. It suits Alexa users, with native support through Matter over Thread.

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Unknown
Unknown
Alexa
Yes[1]
Matter / Thread, native; 1 other path
SmartThings
Unknown
Unknown
Home Assistant
Unknown
Unknown

Key facts

Amazon Echo Show 21 facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[2]
Launch price$399.99 at launch[1] as of
Released2024-11-20[1]
Display21-inch[2]
Smart home hubBuilt-in hub: Matter controller, with Wi-Fi, Thread and Zigbee devices[1]

Integration paths

How the Amazon Echo Show 21 connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter / Threadself[1]unknownunknown
Zigbeeself[1]unknownunknown
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

Roles in a smart home

Infrastructure roles

How facts are sourced: every cell cites its source below
RoleActs as one
Matter controllerYes[1] (Acts as a Matter controller.)
Zigbee coordinatorYes[1]

Releases

  1. 2024
    1. Released [1]

      Available from the announcement.

Cite this page

Amazon Echo Show 21. Smart Home Canon. https://smarthomecanon.com/devices/amazon-echo-show-21. Last checked 2026-10-13.

Sources

  1. [1]
    PRaboutamazon.com / Amazon introduces Echo Show 21 and all-new Echo Show 15 (20 Nov 2024)
    Accessed Back to text
  2. [2]
    PRaboutamazon.com / Amazon Echo buying guide (updated 1 Sep 2026)
    Accessed Back to text