Updated October 2026
Data from Amazon and official Sonoff site.
2026 verdict
In this 2026 Sonoff S31 WiFi Smart Plug vs Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug comparison, Sonoff S31 WiFi Smart Plug comes out ahead thanks to price and energy monitoring.
It wins the broader comparison through price and energy monitoring, while its broader overall balance helps confirm the result. The only strong reason to choose Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug is if rating and connectivity are more important to you than the overall verdict. In practical terms, Sonoff S31 WiFi Smart Plug is the easier product to recommend.
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| Feature | Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug | Sonoff S31 WiFi Smart Plug | Winner |
|---|---|---|---|
| Price | $11.90 | $10.90 | Sonoff S31 WiFi Smart Plug |
| Rating | 4.4 | 4.1 | Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug |
| Energy Monitoring | NO | YES | Sonoff S31 WiFi Smart Plug |
| Connectivity | 2.4 GHz WiFi, Bluetooth | 2.4 GHz WiFi | Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug |
| Weather Resistance | NO | NO | Tie |
| Plug Format | Type B | Type B | Tie |
| Maximum Load Power | 1800W | 1800W | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| On/Off Button | YES | YES | Tie |
| Zigbee Router | NO | NO | Tie |
$11.90
- + Rating: 4.4
- + Connectivity: 2.4 GHz WiFi, Bluetooth
- - Price: $11.90 vs $10.90
- - Energy Monitoring: NO vs YES
Winner
$10.90
- + Price: $10.90
- + Energy Monitoring: YES
- - Rating: 4.1 vs 4.4
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, Bluetooth
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug
- Sonoff S31 WiFi Smart Plug
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Frequently Asked Questions
Which is better overall: Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug or Sonoff S31 WiFi Smart Plug?
Sonoff S31 WiFi Smart Plug has the stronger overall profile in this comparison, especially for price and energy monitoring.
What is the biggest difference between Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug and Sonoff S31 WiFi Smart Plug?
Price is one of the clearest differences: Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug lists $11.90, while Sonoff S31 WiFi Smart Plug lists $10.90.
Which one looks better on price?
Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug is listed at $11.90, while Sonoff S31 WiFi Smart Plug is listed at $10.90. Sonoff S31 WiFi Smart Plug (better spec).
Who should buy Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug?
Choose Sonoff iPlug Gen2 S41s Matter Over WiFi Smart Plug if your priority is rating and connectivity and that matters more than price.
Who should buy Sonoff S31 WiFi Smart Plug?
Choose Sonoff S31 WiFi Smart Plug if your priority is price and energy monitoring and that matters more than rating.
Full comparison table
Compare all 38 Plugs side by side
You are looking at two of them. The full table lines up all Plugs in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 38 Plugs
- 31 specs compared
- 28 filters
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3.5(2)$79.90
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4.4(179)$19.90
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4.0(149)Unavailable
DisplaysSonoffNSPanel Pro Gen2
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4.1(76)$129.90
DonglesSonoffDongle Lite MG21
4.5(458)$24.90
DonglesSonoffDongle Max
4.3(623)$42.90
DonglesSonoffDongle Plus MG24
4.6(696)$35.90
DonglesSonoffDongle Plus PP10
4.6(100)$35.90
DonglesSonoffDongle-PZG23
4.5(176)$39.90
DonglesSonoffZ-Wave 800 PoE Dongle Max
4.5(28)$44.90
DonglesSonoffZBDongle-E
4.7(3,745)$24.90
DonglesSonoffZBDongle-P
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3.8(1,058)$12.90
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Unavailable
Door & Window SensorsSonoffSNZB-04P ZigBee Door/Window Sensor
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