GE Cync Indoor Smart Plug (US) vs SONOFF S31 (US)
Smart plugs · For the US and Canada
- Both work with Google Home, Amazon Alexa and SmartThings.
- The GE Cync Indoor Smart Plug (US) works with Apple Home; for the SONOFF S31 (US) it isn't confirmed.
- The SONOFF S31 (US) works with Home Assistant; for the GE Cync Indoor Smart Plug (US) it isn't confirmed.
- They also differ on: Matter, radio, energy monitoring and max load.
Side by side
| Fact | GE Cync Indoor Smart Plug (US) | SONOFF S31 (US) |
|---|---|---|
| Matter | Yes, over Wi-Fi[1],[3],[4] | Unconfirmed[6] |
| Apple Home | Via Matter[1],[3] | Unconfirmed |
| Google Home | Yes[1] | Yes[1],[2] |
| Amazon Alexa | Yes[1] | Yes[1],[2] |
| SmartThings | Via Matter[1] | Yes[3],[4],[5] |
| Home Assistant | Unconfirmed | Yes[7],[8],[9] |
| Radio | Wi-Fi, Bluetooth[2],[4] | Wi-Fi[1],[3] |
| Hub required | No[1] | No[1] |
| Local control | Unconfirmed[2] | Unconfirmed |
| Energy monitoring | Unconfirmed | Yes[1],[2] |
| Max load | Unconfirmed[2] | 1,800 W[1],[3] |
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
- GE Cync Indoor Smart Plug (US) or SONOFF S31 (US): which works with Apple Home?
- Confirmed only for the GE Cync Indoor Smart Plug (US). The GE Cync Indoor Smart Plug (US) works through Matter; the SONOFF S31 (US) isn't confirmed either way. More smart plugs for Apple Home
- GE Cync Indoor Smart Plug (US) or SONOFF S31 (US): which works with Google Home?
- Both work with Google Home directly. More smart plugs for Google Home
- GE Cync Indoor Smart Plug (US) or SONOFF S31 (US): which works with Amazon Alexa?
- Both work with Amazon Alexa directly. More smart plugs for Amazon Alexa
- GE Cync Indoor Smart Plug (US) or SONOFF S31 (US): which works with SmartThings?
- Both. The GE Cync Indoor Smart Plug (US) works through Matter; the SONOFF S31 (US) works directly. More smart plugs for SmartThings
- GE Cync Indoor Smart Plug (US) or SONOFF S31 (US): which works with Home Assistant?
- Confirmed only for the SONOFF S31 (US). The GE Cync Indoor Smart Plug (US) isn't confirmed either way; the SONOFF S31 (US) works directly. More smart plugs for Home Assistant
Full details and sources: GE Cync Indoor Smart Plug (US) · SONOFF S31 (US)