Shelly Plug Gen4 (US) vs Kasa EP40 Outdoor Plug (US)
Smart plugs · For the US and Canada
- Both work with Google Home, Amazon Alexa and Home Assistant.
- The Shelly Plug Gen4 (US) works with Apple Home and SmartThings; for the Kasa EP40 Outdoor Plug (US) it isn't confirmed.
- They also differ on: Matter, radio, energy monitoring and max load.
Side by side
| Fact | Shelly Plug Gen4 (US) | Kasa EP40 Outdoor Plug (US) |
|---|---|---|
| Matter | Yes, over Wi-Fi[1],[3] | Unconfirmed |
| Apple Home | Via Matter[1],[3] | Unconfirmed |
| Google Home | Via Matter[2],[3] | Yes[1],[2] |
| Amazon Alexa | Via Matter[2],[3] | Yes[1],[2] |
| SmartThings | Via Matter[2],[3] | Unconfirmed |
| Home Assistant | Yes[4] | Yes[3] |
| Radio | Wi-Fi, Bluetooth, Zigbee[1],[2] | Wi-Fi[1],[2] |
| Hub required | No[2] | No[1],[2] |
| Local control | Yes[2],[4] | Yes[3] |
| Energy monitoring | Yes[1],[2] | Unconfirmed |
| Max load | 1,800 W[1],[2] | 1,875 W[1],[2] |
A bar on the left marks the rows where they differ. Numbers in brackets lead to the source on each device's own page, which also has the notes and what to check before you buy. Checked against official sources; the older of the two records was verified on . How we verify.
Quick answers
- Shelly Plug Gen4 (US) or Kasa EP40 Outdoor Plug (US): which works with Apple Home?
- Confirmed only for the Shelly Plug Gen4 (US). The Shelly Plug Gen4 (US) works through Matter; the Kasa EP40 Outdoor Plug (US) isn't confirmed either way. More smart plugs for Apple Home
- Shelly Plug Gen4 (US) or Kasa EP40 Outdoor Plug (US): which works with Google Home?
- Both. The Shelly Plug Gen4 (US) works through Matter; the Kasa EP40 Outdoor Plug (US) works directly. More smart plugs for Google Home
- Shelly Plug Gen4 (US) or Kasa EP40 Outdoor Plug (US): which works with Amazon Alexa?
- Both. The Shelly Plug Gen4 (US) works through Matter; the Kasa EP40 Outdoor Plug (US) works directly. More smart plugs for Amazon Alexa
- Shelly Plug Gen4 (US) or Kasa EP40 Outdoor Plug (US): which works with SmartThings?
- Confirmed only for the Shelly Plug Gen4 (US). The Shelly Plug Gen4 (US) works through Matter; the Kasa EP40 Outdoor Plug (US) isn't confirmed either way. More smart plugs for SmartThings
- Shelly Plug Gen4 (US) or Kasa EP40 Outdoor Plug (US): which works with Home Assistant?
- Both work with Home Assistant directly. More smart plugs for Home Assistant
Full details and sources: Shelly Plug Gen4 (US) · Kasa EP40 Outdoor Plug (US)