Amazon Smart Plug vs TP-Link Kasa KP125M

Amazon Smart Plug
19

$24.99

4.7 (571.3k)
from $24.99
TP-Link Kasa KP125M
41

$24.99$29.99

4.3 (2.3k)
from $24.99

The Kasa KP125M leads on specs, ahead in 1 of 2 areas.

The Kasa KP125M wins 3 of the 3 specs where they clearly differ. Biggest difference: Matter (No vs Yes).

Biggest differences

Smart PlugKasa KP125M
  1. Matter Works with every major platform locally. Check which device types are supported — some features may stay app-only.

    Kasa KP125M
    Smart Plug
    No
    Kasa KP125M
    Yes
  2. Google Home

    Kasa KP125M
    Smart Plug
    No
    Kasa KP125M
    Yes
  3. Apple Home

    Kasa KP125M
    Smart Plug
    No
    Kasa KP125M
    Yes
  4. Home Assistant Core integrations ship with Home Assistant. HACS integrations are community-maintained and can break after updates.

    No better or worse
    Smart Plug
    None
    Kasa KP125M
    Core integration

All 19 specs in the record

Based on 4 and 5 scored specs of 5. Unknown specs are skipped. How we score

Pick the Smart Plug if…

  • …you prefer its design — the specs are otherwise level.

Pick the Kasa KP125M if…

  • you want Matter support — the other one doesn’t have it
  • you want Google Home support — the other one doesn’t have it
  • you want Apple Home support — the other one doesn’t have it

Best price now

Smart Plug

Price as of 4 Nov 2026 · amazon.com

Kasa KP125M

Price as of 4 Nov 2026 · amazon.com

We earn a commission on purchases, and it never affects a score. As an Amazon Associate I earn from qualifying purchases.

Other smart plugs to consider

Energy (Matter)

$35.82$43.95

4.2 (757)
  • Matter
  • HA
  • Apple
  • 1,800 WMax load: 1,800 W
  • Type B (US)Plug type: Type B (US)
  • Wi-Fi: NoWi-Fi: No
  • HA: MatterHome Assistant: Matter
4.4 (413)
  • Matter
  • HA
  • Apple
  • 1,800 WMax load: 1,800 W
  • Type B (US)Plug type: Type B (US)
  • Wi-Fi: 2.4 GHzWi-Fi: 2.4 GHz
  • HA: MatterHome Assistant: Matter

Tapo P125M

$11.99

4.5 (3k)
  • Matter
  • HA
  • Apple
  • 1,800 WMax load: 1,800 W
  • Type B (US)Plug type: Type B (US)
  • Wi-Fi: 2.4 GHzWi-Fi: 2.4 GHz
  • HA: CoreHome Assistant: Core integration
4.2 (604)
  • Matter
  • HA
  • Apple
  • ?Max load: not published yet
  • ?Plug type: not published yet
  • Wi-Fi: 2.4 GHzWi-Fi: 2.4 GHz
  • HA: MatterHome Assistant: Matter

The full record

19 specs, grouped by area.

1. Electrical

Fact Smart PlugKasa KP125M Margin
Plug type Most of mainland Europe uses Type F; France and Belgium use Type E. Check before you buy a regional variant. Type B (US) Type B (US)
Max load 3,680 W (16 A) handles heaters and washing machines. 2,300 W (10 A) plugs are only for small appliances. 1,800 W 1,800 W
Energy monitoring Reports live watts and kWh. Needed for the Home Assistant energy dashboard. ? Yes
Standby draw What the plug itself uses while idle. 0.5 W is about 4.4 kWh a year. ? ?

2. Design

Fact Smart PlugKasa KP125M Margin
Child protection Shuttered socket that stops objects being pushed in. ? ?
Blocks neighbouring socket Chunky plugs cover the second socket on a double outlet. No No

3. Connectivity

Even
Fact Smart PlugKasa KP125M Margin
Wi-Fi 2.4 GHz has longer range. Dual band helps in crowded apartment buildings. 2.4 GHz 2.4 GHz
Thread Low-power mesh used by Matter. Needs a Thread border router (HomePod mini, Nest Hub, SkyConnect…). No No
Zigbee Mature mesh protocol. Works locally with Zigbee2MQTT or ZHA in Home Assistant. No No
Bluetooth Usually only for setup or short-range control. No Yes

4. Integrations

Kasa KP125M
Fact Smart PlugKasa KP125M Margin
Matter Works with every major platform locally. Check which device types are supported — some features may stay app-only. No Yes
Home Assistant Core integrations ship with Home Assistant. HACS integrations are community-maintained and can break after updates. None Core integration
Alexa Yes Yes
Google Home No Yes
Apple Home No Yes

5. Privacy & Local Control

Even
Fact Smart PlugKasa KP125M Margin
Works offline Keeps working with your internet down — schedules, automations and local apps still run. ? Yes
Cloud account required You must create a manufacturer account to set it up. Some devices stop working if the cloud shuts down. ? Yes
Subscription for key features Features locked behind a monthly fee, e.g. history, AI detection or remote access. ? No
Firmware updates via HA Update the firmware from Home Assistant without the vendor app (Zigbee2MQTT OTA, Matter OTA). ? No

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