$24.99
Also sold in packs
- Pack of 420% OFFC$112.00C$139.96C$28.00 per unitYou save C$27.96Buy
Updated November 2026
Data from the official Amazon and Sonoff sites.
2026 verdict
Sonoff S31 WiFi Smart Plug has the better all-around case than Amazon Smart Plug in 2026, starting with energy monitoring and integrations.
It has the clearer edge on energy monitoring and integrations, and it stays ahead on its broader overall balance. Amazon Smart Plug is the better fit only for buyers who prioritize rating above everything else here. That keeps the verdict firmly in favor of Sonoff S31 WiFi Smart Plug.
Works with
Connectivity
- Wi-Fi 2.4 GHz
vs
Winner
Price unavailable right now
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Amazon Smart Plug | Sonoff S31 WiFi Smart Plug | Winner |
|---|---|---|---|
| Rating | 4.7 | 4.1 | Amazon Smart Plug |
| Energy Monitoring | NO | YES | Sonoff S31 WiFi Smart Plug |
| Integrations | Alexa | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Sonoff S31 WiFi Smart Plug |
| Weather Resistance | NO | NO | Tie |
| Plug Format | Type B | Type B | Tie |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | Tie |
| Zigbee Router | NO | NO | Tie |
$24.99
- + Rating: 4.7
- - Energy Monitoring: NO vs YES
- - Integrations: Alexa vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Winner
Price unavailable right now
- + Energy Monitoring: YES
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Rating: 4.1 vs 4.7
Frequently Asked Questions
Which is better overall: Amazon Smart Plug or Sonoff S31 WiFi Smart Plug?
Sonoff S31 WiFi Smart Plug has the stronger overall profile in this comparison, especially for energy monitoring and integrations.
What is the biggest difference between Amazon Smart Plug and Sonoff S31 WiFi Smart Plug?
Rating is one of the clearest differences: Amazon Smart Plug lists 4.7, while Sonoff S31 WiFi Smart Plug lists 4.1.
Who should buy Amazon Smart Plug?
Choose Amazon Smart Plug if your priority is rating and that matters more than energy monitoring.
Who should buy Sonoff S31 WiFi Smart Plug?
Choose Sonoff S31 WiFi Smart Plug if your priority is energy monitoring and integrations and that matters more than rating.
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